Fractionating condenser
[化] 分级冷凝器
🧩 词语组成解析
分馏, 精馏
🗣️ 情景例句
whom I think you've met once or twice before.
我想你以前见过他一两次面。
Every mother's child is handsome.
老王卖瓜，自卖自夸。
What does she have to do?
她得做什么？