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。

youdao

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。

youdao