It must have hit an air pocket.
一定是遇到了一个气潭。
We had a bumpy flight because of air pocket.
我们的飞行甚为颠簸，因为遇到气穴。
If the plane drops suddenly, it is probably an air pocket (air current).
如果飞机突然下落，可能是碰到了气阱(气流)。
The middle ear is a small pocket of air behind the eardrum.
中耳就是骨膜后面的一个小气袋。
And "Air-Cushion" Is a "pocket" of air, used to absorb shock.
气垫是一“口袋”的空气，用来吸收震动的。
And "Air-Cushion" Is a "pocket" of air, used to absorb shock.
气垫是一“口袋”的空气，用来吸收震动的。
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