Sometimes the craft is heavier than air, and sometimes lighter.
有时飞行器比空气重, 有时轻。
单词 | be heavier than air |
释义 |
be heavier than air
原声例句
VOA Standard 2013年3月合集 Sometimes the craft is heavier than air, and sometimes lighter. 有时飞行器比空气重, 有时轻。 VOA Special 2018年6月合集 On December seventeen, nineteen-oh-three, they made the world's first flight in a machine that was heavier than air and powered by an engine. 1903年12月17日,他们制造了世界上第一架飞机,以引擎为动力。 TED演讲(视频版) 2018年7月合集 We've installed tubes throughout the theater, lower to the ground, because CO2 is heavier than air. 我们在整个剧院都安装了管道,靠近地面, 因为二氧化碳比空气重。 |
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