Fns
abbr. flask-nitrogen supply 细颈瓶氮供应品
🗣️ 情景例句
They are indifferent to politics.
他们对政治漠不关心。
He who has health, has hope, and he who has hope, everything.
身体好就有希望，有希望就有一切。
There is only one difference between an old man and a young one:
老年人和年轻人之间仅仅有一个不同：