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Launching aircraft is much easilier on the moon for its smaller gravitation.
从月球能较容易地发射航天器,因为月球引力较小.
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Apparatus for launching gliders or for launching aircraft from the deck of a ship.
使滑翔机或飞行器从轮船甲板上升空的)弹射器.
英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。