Downcomer
n. 下水管, 下导管
✅ 同义词
🔁 扩展释义
【化】 下降管; 降液管; 降水管
🗣️ 情景例句
And I've been thinking about it a lot lately.
最近我一直就此事想了很多。
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
I am looking forward to your visit next week.
我期待着你下周来访。