Halon
卤化烷（常用以灭火）
🗣️ 情景例句
I was faced with a new problem.
我面临了新的问题。
These clothes are very beautiful, but I can't afford to pay that much.
这些衣服很漂亮，但是我买不起。
What he likes best is making jokes.
他最喜欢开玩笑。