Fns
abbr. flask-nitrogen supply 细颈瓶氮供应品
🗣️ 情景例句
How do you spell it?
如何拼写？
Whom will you invite to the picnic?
你将邀请谁参加野餐？
Hi, Jim! It's a long time since we met last!
你好，吉姆！从我们上次见面后已经很久了！