Halon
卤化烷（常用以灭火）
🗣️ 情景例句
That's irrelevant.
那不相干。
Will you please measure this window to see how wide it is?
请您测量这扇窗户看它有多宽？
four girls and a boy, an event which radically changed their lives.
4女1男。这事使他们的生活发生了根本的变化。