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
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易能得到进一步发展。
She is at a loss as what to do.
她不知怎么办才好。
A week before, he had completed a successful overland flight during which he covered twenty-six miles.
一周以前，他曾成功地进行了一次26英里的陆上飞行。