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 don't know if I can get a good job in Los Angeles.
我不知道我能否在Los Angeles找到好工作。
Drop me a line.
写封信给我
When I touched him on the shoulder, he turned around.
我拍他的肩膀，他转了过来。