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
Thank you for your interest in this position.
谢谢你对本公司感兴趣。
Thoroughly to teach another is the best way to learn for yourself.
教学相长。
Merry Christmas and best wishes for the New Year!
圣诞快乐，并致以新年的良好祝愿！