Oaa
abbr. oxaloacetic acid 酰基乙酸
🗣️ 情景例句
He's your best man.
他是男傧相呀。
I'm really sorry, but I seem to have misplaced your scarf.
真对不起，我忘记把你的围巾对丢在什么地方了。
That's why you need the lab.
这就是你为什么要用实验室的原因。