Undersluice
底部(闸门)泄水渠槽
🗣️ 情景例句
Well, I might want to go to Columbia.
嗯， 我也许去Columbia大学。
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
Oh, I usually come by bus too.
噢，我也常乘公共汽车。