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
I think that really answers your questions, Marilyn.
我觉得这确实解决了你的问题， Marilyn。
I asked him if he spoke English.
我问他他是否说英语。
At the age of twelve years, the human body is at its most vigorous.
人体在12岁时是生命力最旺盛的时期。