| 单词 | 轻于空气 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔aeronaut〕A pilot or navigator of a lighter-than-air craft, such as a balloon.飞船驾驶员，气球驾驶员：轻于空气的航空器，例如气球的驾驶员或导航员美国传统〔experiment〕He experimented with lighter-than-air flight.他试验了轻于空气的飞行。朗文当代〔lighter-than-air〕Having a weight less than that of the air displaced. Used of certain aircraft.轻于空气的：重量比周围的空气轻。用于某种航空器美国传统 |
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