It is possible to go to the moon now.

现有能登上月球。

The light is reflected from the moon.

光从月球反射出来。

A rocket was fired at the moon.

火箭发射到月球上。

The moon is a satellite of the earth.

月球地球的一颗卫星。

The lunar stone is different from earth's.

月球的石头和地球的不同。

The earth's shadow on the moon was quite distinct.

月球上的地球阴影很清晰。

We never imagined that men would land on the moon.

我们从未想到过人类能登上月球。

Soon it will be commonplace for men to travel to the moon.

人们去月球很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了月球表面的地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太空飞船月球表面降落。

It's difficult to conceive of traveling to the moon.

难以想象到月球会什么样子。

There is no question but that there is no air on the moon.

月球上没有空气毫无疑问的。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜以看清月球上的环形山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去月球难以想象的。

The space race reached its culmination in the first moon walk.

太空竞争以第一次月球走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现我们有实践经验证明月球上布满了灰尘。

Jupiter was eclipsed by the Moon.

月球遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我们的人造卫星本身将绕月球运两天的时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双月球近旁转向实现对月球多次探测的原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上月球似乎不想象的。"

It is possible to go to the moon now.

现在有可能登上。

The light is reflected from the moon.

光从反射出来。

A rocket was fired at the moon.

火箭发射到上。

The moon is a satellite of the earth.

地的一颗卫。

The lunar stone is different from earth's.

的石头和地的不同。

The earth's shadow on the moon was quite distinct.

上的地阴影很清晰。

We never imagined that men would land on the moon.

我们从未想到过人类能登上。

Soon it will be commonplace for men to travel to the moon.

人们去旅行很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了表面的地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太空飞船在表面降落。

It's difficult to conceive of traveling to the moon.

难以想象到旅行会什么样子。

There is no question but that there is no air on the moon.

上没有空无疑问的。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜可以看清上的环形山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去旅行难以想象的。

The space race reached its culmination in the first moon walk.

太空竞争以第一次在行走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明上布满了灰尘。

Jupiter was eclipsed by the Moon.

遮住了木。

Our satellite itself will orbit around the moon for a period of two days.

我们的人造卫本身将绕运行两天的时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双近旁转向实现对多次探测的原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上似乎不可想象的。"

It is possible to go to the moon now.

现在有可能登上。

The light is reflected from the moon.

光从反射出来。

A rocket was fired at the moon.

火箭发射到上。

The moon is a satellite of the earth.

地一颗卫星。

The lunar stone is different from earth's.

石头和地不同。

The earth's shadow on the moon was quite distinct.

上地阴影很清晰。

We never imagined that men would land on the moon.

我们从未想到过人类能登上。

Soon it will be commonplace for men to travel to the moon.

人们去旅行很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了表面地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太飞船在表面降落。

It's difficult to conceive of traveling to the moon.

难以想象到旅行会什么样子。

There is no question but that there is no air on the moon.

上没有毫无疑问。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜可以看清上环形山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去旅行难以想象。

The space race reached its culmination in the first moon walk.

太竞争以第一次在行走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明上布满了灰尘。

Jupiter was eclipsed by the Moon.

遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我们人造卫星本身将绕运行两天时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双近旁转向实现对多次探测原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上似乎不可想象。"

It is possible to go to the moon now.

现在有可能登上月球。

The light is reflected from the moon.

光从月球反射出来。

A rocket was fired at the moon.

火箭发射到月球上。

The moon is a satellite of the earth.

月球是地球一颗卫星。

The lunar stone is different from earth's.

月球石头和地球不同。

The earth's shadow on the moon was quite distinct.

月球上地球阴影清晰。

We never imagined that men would land on the moon.

我们从未想到过人类能登上月球。

Soon it will be commonplace for men to travel to the moon.

人们去月球快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了月球地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太空飞船在月球降落。

It's difficult to conceive of traveling to the moon.

难以想象到月球会是什么样子。

There is no question but that there is no air on the moon.

月球上没有空气是毫无疑问。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜可以看清月球上环形山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去月球是难以想象。

The space race reached its culmination in the first moon walk.

太空竞争以第一次在月球走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明月球上布满了灰尘。

Jupiter was eclipsed by the Moon.

月球遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我们人造卫星本身将绕月球运两天时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双月球近旁转向实现对月球多次探测原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上月球似乎是不可想象。"

It is possible to go to the moon now.

现在有可能登上。

The light is reflected from the moon.

光反射出来。

A rocket was fired at the moon.

火箭发射到上。

The moon is a satellite of the earth.

是地的一颗卫星。

The lunar stone is different from earth's.

的石头和地的不同。

The earth's shadow on the moon was quite distinct.

上的地阴影很清晰。

We never imagined that men would land on the moon.

我们未想到过人类能登上。

Soon it will be commonplace for men to travel to the moon.

人们去旅行很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了表面的地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太空飞船在表面降落。

It's difficult to conceive of traveling to the moon.

难以想象到旅行会是什么样子。

There is no question but that there is no air on the moon.

上没有空气是毫无疑问的。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜可以看清上的环形。

Half a century ago it's difficult to conceive of travelling to the moon.

世纪前去旅行是难以想象的。

The space race reached its culmination in the first moon walk.

太空竞争以第一次在行走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明上布满了灰尘。

Jupiter was eclipsed by the Moon.

遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我们的人造卫星本身将绕运行两天的时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双近旁转向实现对多次探测的原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上似乎是不可想象的。"

It is possible to go to the moon now.

现在有可能登上月球。

The light is reflected from the moon.

光月球反射出来。

A rocket was fired at the moon.

火箭发射到月球上。

The moon is a satellite of the earth.

月球是地球的一颗卫星。

The lunar stone is different from earth's.

月球的石头和地球的不同。

The earth's shadow on the moon was quite distinct.

月球上的地球阴影很清晰。

We never imagined that men would land on the moon.

我想到过人类能登上月球。

Soon it will be commonplace for men to travel to the moon.

人去月球旅行很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了月球表的地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太空飞船在月球表。

It's difficult to conceive of traveling to the moon.

难以想象到月球旅行会是什么样子。

There is no question but that there is no air on the moon.

月球上没有空气是毫无疑问的。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜可以看清月球上的环形山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去月球旅行是难以想象的。

The space race reached its culmination in the first moon walk.

太空竞争以第一次在月球行走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我有实践经验证明月球上布满了灰尘。

Jupiter was eclipsed by the Moon.

月球遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我的人造卫星本身将绕月球运行两天的时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双月球近旁转向实现对月球多次探测的原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人一度认为,人飞上月球似乎是不可想象的。"

It is possible to go to the moon now.

现在有可能登上月。

The light is reflected from the moon.

光从月反射出来。

A rocket was fired at the moon.

火箭发射到月上。

The moon is a satellite of the earth.

月是地颗卫星。

The lunar stone is different from earth's.

月石头和地不同。

The earth's shadow on the moon was quite distinct.

月上地阴影很清晰。

We never imagined that men would land on the moon.

我们从未想到过人类能登上月。

Soon it will be commonplace for men to travel to the moon.

人们去月旅行很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了月表面地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太空飞船在月表面降落。

It's difficult to conceive of traveling to the moon.

难以想象到月旅行会是什么样子。

There is no question but that there is no air on the moon.

月上没有空气是毫无疑。

Lunar craters can be plainly seen with the aid of a small telescope.

助小型望远镜可以看清月上环形山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去月旅行是难以想象。

The space race reached its culmination in the first moon walk.

太空竞争以第次在月行走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明月上布满了灰尘。

Jupiter was eclipsed by the Moon.

月遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我们人造卫星本身将绕月运行两天时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双月近旁转向实现对月多次探测原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们度认为,人飞上月似乎是不可想象。"

It is possible to go to the moon now.

现在有可能登上月球。

The light is reflected from the moon.

光从月球来。

A rocket was fired at the moon.

火箭发到月球上。

The moon is a satellite of the earth.

月球是地球一颗卫星。

The lunar stone is different from earth's.

月球石头和地球不同。

The earth's shadow on the moon was quite distinct.

月球上地球阴影很清晰。

We never imagined that men would land on the moon.

我们从未想到过人类能登上月球。

Soon it will be commonplace for men to travel to the moon.

人们去月球旅行很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了月球表面地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太空飞船在月球表面降落。

It's difficult to conceive of traveling to the moon.

难以想象到月球旅行会是什么样子。

There is no question but that there is no air on the moon.

月球上没有空气是毫无疑问。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜可以看清月球上山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去月球旅行是难以想象。

The space race reached its culmination in the first moon walk.

太空竞争以第一次在月球行走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明月球上布满了灰尘。

Jupiter was eclipsed by the Moon.

月球遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我们人造卫星本身将绕月球运行两天时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双月球近旁转向实现对月球多次探测原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上月球似乎是不可想象。"

It is possible to go to the moon now.

现在有能登上。

The light is reflected from the moon.

光从反射出来。

A rocket was fired at the moon.

火箭发射上。

The moon is a satellite of the earth.

是地的一颗卫星。

The lunar stone is different from earth's.

的石头和地的不同。

The earth's shadow on the moon was quite distinct.

上的地阴影很清晰。

We never imagined that men would land on the moon.

我们从未想过人类能登上。

Soon it will be commonplace for men to travel to the moon.

人们去旅行很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了表面的地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太空飞船在表面降落。

It's difficult to conceive of traveling to the moon.

难想象旅行会是什么样子。

There is no question but that there is no air on the moon.

上没有空气是毫无疑问的。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远看清上的环形山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去旅行是难想象的。

The space race reached its culmination in the first moon walk.

太空竞争第一次在行走而达顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明上布满了灰尘。

Jupiter was eclipsed by the Moon.

遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我们的人造卫星本身将绕运行两天的时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双近旁转向实现对多次探测的原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上似乎是不想象的。"

It is possible to go to the moon now.

现在有可能登上月球。

The light is reflected from the moon.

光从月球反射出来。

A rocket was fired at the moon.

火箭发射到月球上。

The moon is a satellite of the earth.

月球是地球的一颗卫星。

The lunar stone is different from earth's.

月球的石头和地球的不同。

The earth's shadow on the moon was quite distinct.

月球上的地球阴影很清晰。

We never imagined that men would land on the moon.

我们从未想到过人类能登上月球。

Soon it will be commonplace for men to travel to the moon.

人们去月球旅行很快就会成为常事。

The scientists mapped the surface of the moon.

学家绘制了月球表面的地图。

The astronauts piloted their craft down to the lunar surface.

宇航员驾驶太飞船在月球表面降落。

It's difficult to conceive of traveling to the moon.

难以想象到月球旅行会是什么样子。

There is no question but that there is no air on the moon.

月球上没有气是毫无疑问的。

Lunar craters can be plainly seen with the aid of a small telescope.

借助小型望远镜可以看清月球上的环形山。

Half a century ago it's difficult to conceive of travelling to the moon.

半个世纪前去月球旅行是难以想象的。

The space race reached its culmination in the first moon walk.

太以第一次在月球行走而达到顶峰。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明月球上布满了灰尘。

Jupiter was eclipsed by the Moon.

月球遮住了木星。

Our satellite itself will orbit around the moon for a period of two days.

我们的人造卫星本身将绕月球运行两天的时间。

The theory for exploring the moon time after time through double lunar swingby is analyzed at first.

分析了双月球近旁转向实现对月球多次探测的原理。

It once seemed inconceivable to everyone that men should travel to the moon.

"人们一度认为,人飞上月球似乎是不可想象的。"