The plane flew at an altitude of 20, 000 feet.

这架两万英尺的高空行。

The pilot shot up to a high altitude where he let loose full blat.

行员将猛地升了高空，然后全速前进。

How can many people do such a "High riskful behaviour"?

居然有人做这样的“高空惊险动作”，原因是什么。

The plane is high in the sky.

那架高空行。

They were monitoring the upper air to collect evidence of atomic explosions.

他们正检测高空空气以收集原子爆炸的证据。

You have to have nerves of steel to be a steeplejack.

你要勇敢些，才能去当一名高空作业修建工。

The plane flew upwards.

高空去。

Dayton International Ltd.- Aerial work platform, underbridge work platform, boom, scissor, vertical lift, scaffold, material lift, ladder, fibreglass ladder, safety belt.

高空工作台、桥底工作车、臂式升降台、剪刀式升降台、垂直升降台、工作架、物料升降、铝梯、纤维梯。

Analogous to a sundog or parhelion, the paraselene is produced by moonlight shining through thin, hexagonal-shaped ice crystals in high cirrus clouds.

类似环日的形成一样，高空卷云中，月光通过稀薄、具有六边形状的冰晶时产生了幻月。

The German aerialist submerges his half-naked body in a bathtub filled with water then propels himself up a rope to fly, twist and spurt water.

这名德国的高空杂技师先将自己半裸的入水中，然后通过绳索做出、曲和溅水花等动作。

The relationship between arctic tropopause height and surface air temperature is discussed by using the aerological sounding and surface data during 1977-1990 in Beijing area.

利用北京地区1977—1990年的高空、地面资料，讨论了极地对流层顶与地面温度的关系。

Iraqi security forces were placed on high alert and American aircraft —unpiloted reconnaissance drones flying low, and fighter jets roaring high above —crossed the capital.

伊拉克安全部队处于高警戒状态，美国空军首都空穿梭，无人驾驶侦察低空行，战斗喷气高空呼啸。

After three of postdoctoral study at UCSD, he went to Germany in 1978 to work at the Max-Planck-Institute for Aeronomy (now MPI for Solar System Research).

加大担任三年博士后研究员，便到德国的马普高空大气研究所(今改名为马普太阳系研究所)担任研究员(1978-1998)。