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
What are your favorite subjects?
喜欢哪些课程？
People greet one another with Happy New Year.
人们相互祝福“新年好”。
What kind of price did you have in mind?
你说多少呢？