trap-door
释义
活板门
天窗
例句
1·The four of them put their shoulders to the trap -door and heaved it back.
他们四个把肩膀顶在活板门上，把它举了起来。
2·She came crawling out of a trap -door in the front of the stage.
她从舞台前面地板上的活板门里爬了出来。
3·My uncle Philip had very skillfully made a concealed trap -door .
我叔叔菲利普用他高超的技术做了一扇隐蔽的地板门。
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