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Trapdoor

[træp'dɔː] or ['træpdɔr]

解釋/意思:

(n.) A lifting or sliding door covering an opening in a roof or floor.

(n.) A door in a level for regulating the ventilating current; -- called also weather door.

乔校對

例句/造句/用法:

黛博拉編輯

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