It starts to melt the sea ice.

海面冰层开始融化。

They brought it back to a ship on the surface.

潜水员把记录器带回了海面船。

Deep beneath the frozen surface of the Arctic swims a sea unicorn.

在北极冰冻海面深层，游动着海洋独角兽。

The tunnel would be well-ventilated if tall chimneys were built above sea level.

如果再建些伸出海面高大烟囱状通风管，隧道就具备了良好通风条件。

One climate in no group is highland way above the sea.

海面高低气候不包括在内。

At low tide, we place a tape measure perpendicular from the sea up the shoreline like this.

退潮时，我们在海岸线放一个垂直于海面卷尺，像这样。

Still other times it can create rock formations sticking up out of the water, called sea stacks.

有时它还能创造出垂直海面形态，而这种就被称作海蚀柱。

Now the seascape is breaking up.

现在海面冰开始分裂。

The low oxygen levels might force the whales' prey towards the surface, where oxygen is a bit more plentiful.

低氧水平可能迫使鲸鱼猎物升至海面，因为海面含氧量更为充足。

But not all food comes from the sunlit world above.

不过不是所有食物来自阳光普照海面。

Waves of stone, floating on sea foam all because the glass is porous.

漂浮在海面头波浪，因为玻璃是多孔可渗透。

Extra reconnaissance aircraft and helicopters will scour the sea around the Island of Reunion.

侦察机和直升机还将搜寻留尼旺岛周围海面。

Keep track of suspiciously calm areas between the waves, and watch for different colors in different spots.

仔细观察一下平静海域泛起海浪，注意看不同位置海面呈现不同颜色。

Bangladesh is directly affected by the phenomena occurring in the Himalayas and at sea level.

孟加拉直接受到喜马拉雅山变化和海面升影响。

Often the seafloor rose to within two meters of the surface of the water.

平原时常升至距海面不及两米深度。

Algae need light, so must live near the surface—as must the zooplankton and other animals that need the phytoplankton.

海藻需要光线，所以必须生活在接近海面区域—还有需要浮游植物浮游动物和其它动物也同样如此。

It was lying on its side not far from the shore.

它斜搁在离海岸不远海面。

Isn't it. You see the oil floating around in the ocean.

不是吗？你看那海面漂着油。

I'm seeing really warm sea surface temperatures in the equatorial East Pacific.

我在赤道东太平洋看到非常温暖海面温度。

Sea mounts are underwater hills or mountains whose summits are below the ocean surface.

海山是指山峰低于海面水下山丘或山脉。