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
And Dad saved his life.
爸爸救了他的命。
Is your factory any different from other plastics factories?
你们工厂和其他塑胶工厂有何差别呢？
My god!
天哪！