Liquid nitrogen
[化] 液氮
🧩 词语组成解析
🗣️ 情景例句
When is a good time to catch him?
什么时候可以找到他？
I know the boy whose father is a merchant.
我知道那个男孩的父亲是商人。
There were English cars, French cares, German cars.Italian cars.American cars and Japanese cars.
有英国、法国、德国、意大利和日本的汽车。