Nomadic nitrogen
[医] [大气]游离氮
🧩 词语组成解析
🗣️ 情景例句
They have nice things, but they've very expensive.
它们的东西不错，但很贵。
Cathy has told me so much about you.
我常常听到凯茜提到你。
Thank you very much.
非常感谢。