Perfluoro-petroleum
[化] 全氟化石油
🧩 词语组成解析
🗣️ 情景例句
The subject is unfamiliar to me.
那个问题我不熟悉。
I'm exhausted.
我疲倦不堪。
he is lending the bank money, repayment of which he may demand at any time,
就等于把钱借给了银行。这笔钱他可以随时提取，