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。
Nancy knew she'd be a sitting duck when she raised the trap door.
南希知道，当她抬起陷阱门时，她就会成为被攻击的目标。
If you build a better mouse trap, people will be packed at your door.
如果你的老鼠夹做得比别人好，上门的人就会络绎不绝。
Curious investigators; a trap door that made me curious.
好学的研究者；会上下活动的门使我惊奇不已。
Curious investigators; a trap door that made me curious.
好学的研究者；会上下活动的门使我惊奇不已。
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