Heliox
n. 氦氧混合气(含98%氦和2%氧,供潜水员在深水中维持呼吸用)
🗣️ 情景例句
We might need you to come through with your friends, Robbie.
我们也许需要你们多邀朋友来帮忙， Robbie。
That depends.
那要看情形了。
No, it isn't.
也没有。