Central downcomer
[化] 中心降液管; 中央循环管
🧩 词语组成解析
n. 下水管, 下导管
🗣️ 情景例句
Look before you leap.
三思而后行。
The fox that had lost its tail would persuade others out of theirs.
一条狐狸丢尾巴，就劝旁的也丢它。
It looks like a cat! Put it in your desk please, Lucy.
看起来象只猫。露茜，请把它放到桌子里。