Vacuum refining
[机] 真空精炼
🧩 词语组成解析
[计] 精炼, 提纯\\n[化] 精炼; 精制; 提炼; 匀料; 匀浆
🗣️ 情景例句
I would like to open a checking account.
我想开一个支票户头。
I'm two years older than you are.
我比你小2岁。
I want you to look at this material.
我要你看看这材料！