Vacuum residuum

[化] 减压渣油

🧩 词语组成解析

vacuum ['vækjʊəm]
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
residuum
n. 残留物, 剩余物, 残数, 余数, 留数, 社会渣滓\\n[化] 渣油

🗣️ 情景例句

I've decided to stay at home and be a full-time mother.
我决定留在家里做一个专职母亲。
A man becomes learned by asking questions.
要长学问,就得多问;多问则业精。
It's on the edge of the lake that has been made by the Dam.
这座庙座落在由高坝形成的湖边上。
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