Halon
卤化烷（常用以灭火）
🗣️ 情景例句
I've turned over the management of my affairs to my brother.
我已经把我的事务托付给我的兄弟去处理。
Business may be troublesome, but idleness is pernicious.
事业虽扰烦，懒惰更害人。
This ran on an 'operating system' called DOS, produced by a then small company named Microsoft.
这种电脑采用了一种被称为磁盘操作系统（DOS）的工作程序，而这种程序是由当时规模不大的微软公司生产的。