Vacuum (distilling) column
[化] 真空蒸馏塔
🧩 词语组成解析
n. 真空;空白;空虚;清洁;
v. 用真空吸尘器清扫;
vac空+uum表名词 →空虚;真空
🗣️ 情景例句
I always mix up these two words.
我老是把这两个词搞混。
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则,如果在一年内符合各种使用规定,就可更换。
Hi, Li Lei! How are you?
嗨,李垒!你好吗?
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