A disposable non-woolen filter, and a panel type washable coarse aluminum filter are installed in the front panel of return air duct of each room, to trap powder generated, if any.

在每个房间回风管的前面板上安装有一台一次性的非毛织品过滤器，以及一台板式可洗粗铝过滤器，以捕捉收集可能产生的任何粉尘。

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A joystick allows the safe room occupant to lock and unlock doors throughout the house to trap an intruder.

控制杆可让安全密室里的人锁上或打开房子里的任何门，来捕捉入侵者。

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He remembered that one day he had found a wood turtle shell in an old trap. He had picked it up and taken it back to his room.

他记得有一天他在一个破旧的捕捉器里见过木龟壳，还把它捡回家，放在自己的房间。

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It is not acceptable for rogue attorneys and investigators to trap a young woman in a hotel room, discourage her from calling her lawyer, ridicule her when she asked to call her mother.

CNN: Transcript: Judiciary Committee impeachment hearing

At each end of the car was a tiny metal room with a toilet that flushed waste through a trap door.

WSJ: Riding the Trans-Mongolian Railway through Russia, China and Mongolia