英语词汇“trap door”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	trap door
释义	Collins Concise English Dictionary © HarperCollins Publishers:: trap door n a door or flap flush with and covering an opening, esp in a ceiling
随便看	control panel control point control rocket control rod control room control stick control surface control survey control tower control unit controversial controversialism controversialist controversially controversy controvert controverter controvertible controvertibly controvertist contumacious contumaciously contumacy contumeliously contumeliousness

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