Undersluice
底部(闸门)泄水渠槽
🗣️ 情景例句
I fell out of the boat!
我摔到船外去了。
I'm just kidding.
我指使闹着玩的。
After chipping through a wall which was eighteen inches thick, they found that a man had been trapped in the chimney.
他们凿透了18英寸厚的墙壁，发现有个人卡在烟囱里。