Undersluice
底部(闸门)泄水渠槽
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
What college are you attending?
你在哪里上学？
What a shame! Never mind, I'll write to him.
真遗憾！不要紧，我会给他写信的。