Oxygenators
(oxygenator 的复数) 充氧器, 氧合器
🗣️ 情景例句
I recently broke up with my boyfriend. I was really bummed out.
最近我和男朋友分手了。我真沮丧。
Perhaps I can sneak out of the classroom unnoticed.
也许我可以神不知鬼不觉地溜进教室。
May I use your pen?
我可以用你的笔吗？