Oaa
abbr. oxaloacetic acid 酰基乙酸
🗣️ 情景例句
when is your plane reservation for your flight to Athens?
飞Athens订的是什么时候的班机？
No garden without its weeds.
有利必有弊。
for she had sixteen watertight compartments.
因为船由16个密封舱组成，