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
Would you like me to reschedule you for another time?
要不要我再另外为你安排别的时间？
Never judge by appearances.
人不可貌相。
We also hope to expand our business with you.
我们也希望与贵公司扩大贸易往来。