| 词汇 | cushion-of-air |
| 释义 | cushion of airphrase a layer of air often used to support a machine or vehicle: 气垫 A hovercraft travels on a cushion of air.气垫船悬浮在气垫上行驶。 He realised that a heavy boat could be supported by a cushion of air. The train will float on a magnetic cushion of air, just above the track. The air hockey puck moves so quickly because it's sitting on a cushion of air, so it never touches the table top. The iron is a pleasure to use, gliding as it does on a cushion of air. Floating on a cushion of air, the vehicle can travel over land or sea. See also cushionnoun(SOFT THING) |
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