They could not provide adequate air cover for ground operations.
他们无法为地面作战行动提供足够的空中掩护。
The ground was hard, the air was still, my road was lonely.
地面很硬，空气静止，我的路途是孤独的。
This makes it easy to incorporate into an air or ground platform.
这使得该设备很容易纳入一个空中或地面平台。
Radon is a natural radioactive gas that emanates from the ground into the air.
氡是一种放射性的自然气体，从地下散发到空气中。
From the air, fast down, and from the ground, fast up.
从空中急速冲下，从地面快速飞起。
Anything that lives on the ground, in the ocean or in the air is good.
艾利乌说，“大地上、海洋里、天空中的一切都是美好的。
The system consists of two air vehicles and a ground control unit.
该系统包含两个飞行器和一个地面控制单元。
They hold the high ground, they have high-powered observation equipment and mastery of the air.
他们占据高地，拥有高马力的监测设备以及制空权。
Shoots ground and air creatures.
芽地面和空中的动物。
Most importantly, it plays well on the ground and in the air.
最重要的是，这款足球在地面和空中都有优异的表现。
This second kind of mirage happens when the ground is colder than the air.
这是第二种海市蜃楼，发生在地面比空气冷的时候。
Cold air, on top of warm air, with moist air close to the ground.
寒冷的空气在温暖的空气上层，而潮湿的空气接近地面。
It is because the ground loses heat to the air.
这是由于地表把暖量输送给空气的缘故。
In the event of a fire, remember the cleanest air is closest to the ground.
一旦发生火灾，记住要清洁地面附近的空气。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。
One of the prevalent methods in air traffic flow management is ground holding.
地面等待是空中交通管理中普遍应用的一种方法。
The F-16 can deliver a crippling ground strike and still maintain a credible air threat.
因此F - 16能在执行强大对地攻击的同时仍不失为一种可靠的空中威胁。
The air becomes cooler in proportion to the height of the ground.
空气按地面高度的比例而愈来愈寒冷。
Warm air rising from below causes the wind tube to reach toward the ground.
来自下面热空气上升使风管朝向地面。
The ball hit the ground and bounced high into the air.
球碰到地面又高高地弹到空中。
Troops demand analysis is very important to the operational disposition of ground air defense.
兵力需求分析是地面防空作战部署的重要环节。
The air close to the ground is colder than the air higher up.
靠近地面的空气，比上面的空气冷。
Air is flying snow, the ground is soft white carpet.
空中是漫天飞舞的雪花，地上是柔软洁白的地毯。
Through ground test and hypersonic flow research, he made great progress in air-breathing hypersonic technology.
通过地面试验和高超声速非平衡流的研究，取得了再入突防气动物理的重要进展。
With your feet on the air and your head on the ground, try this trick and spin it (yeah).
把你的脚停留在空中，将你的头置于地板上，试试这个把戏然后转一下（耶）．。
I let my feet spend as little time on the ground as possible. From the air, fast down, and from the ground, fast up.
我尽量让我的双脚在跑道上停留最短。从空中急速冲下，从地面快速飞起。
I let my feet spend as little time on the ground as possible. From the air, fast down, and from the ground, fast up.
我尽量让我的双脚在跑道上停留最短。从空中急速冲下，从地面快速飞起。
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