Halon
卤化烷（常用以灭火）
🗣️ 情景例句
What are the flowers for, Richard?
究竟为什么送花 ，Richard？
Take two pills and have a good rest.
吃两片药，好好休息一下。
That's the trouble, vicar,' answered Bill.
“问题就在这里，牧师，”比尔回答说。