名词
中文翻译：亚音速滑翔机
同义词：
['subsonic aircraft', 'subsonic drone', 'subsonic vehicle']
例句：
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1. The subsonic glider was designed to be quiet and undetectable in the city.
这种亚音速滑翔机设计得非常安静，可以在城市中隐蔽。
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2.The subsonic glider was used for long-distance communication during World War II.
在第二次世界大战期间，这种亚音速滑翔机被用来进行长途通信。
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3. The subsonic glider is a popular choice for remote areas where there is no reliable power source.
在没有可靠电源的偏远地区，这种亚音速滑翔机是一个受欢迎的选择。