Carbogen
[医] 卡波金(含5%二氧化碳的氧)
🗣️ 情景例句
Thank you, Mr. Tom. The same to you.
谢谢，汤姆先生。也祝你圣诞快乐！
Why are you looking at me?
你为什么看着我？
Two return tickets to London,please.
买两张到伦敦的往返票。