Fluoronaphthalene
氟萘
🗣️ 情景例句
Please accept my apologies for any trouble my mistake has caused you.
因为我的失误给你添麻烦了，请接受我的道歉。
When can you pick up your ticket?
你什么时候可拿到车票呢？
Put down the gentleman's address.
把这位先生的地址写下来。