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
My wife Marilyn, my father and mother,
我太太Marilyn， 我父亲和母亲，
How nice. Where were you exactly?
太好了，那你究竟去哪儿啦？
How are you getting to the airport? Is anybody seeing you off?
你打算怎样去机场？有人送你吗？