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
I'm taking that bus also.
我也是搭那班车的。
John is not forty-five yet,is he?
约翰不够45岁,是吗？
He asked if Mr.Gilbert's operation had been successful and the doctor told him that it had been.
他问吉尔伯特先生的手术中否成功，医生告诉他手术很成功。