Sbo
[医][=single-breath oxygen]一次呼吸氧量
🗣️ 情景例句
Hi, how are you doing?
你还好吗？
I remember the girl whose father owns a jewelry store.
我记得那个女孩的父亲有一家文具店。
When did they leave this area?
他们什么时候离开这里？