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。

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。

Some racquets feature a trap door on the butt cap to allow easy removal of drill flash.

一些球拍有一个可以打开的手柄底盖，它可以容易的清除拍框内 侧残留的钻孔碎片。

The trick is to visualize, very intently, the subtle body escaping through the trap door of the brain.

非常专心致志窍门显现，精微的身体从大脑顶门逃逸出来。

As I sat staring at the candle and smoking I heard a slight noise under the trap door, behind my back.

我一边吸烟，一边在那里呆看放在桌上的蜡烛火，忽而听见梯子口上起了响动。