Vacuum-pumping
[化] 真空排气
🧩 词语组成解析
n. 抽水, 泵送\\n[化] 抽运
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
Grand Central Station, please. I want to try to catch a 6:00 train.
请到中央火车站。我要赶六点的火车。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。