Oaa
abbr. oxaloacetic acid 酰基乙酸
🗣️ 情景例句
I've seen pictures of him.
我见过他的照片。
Is there any way of ensuring we'll have enough time for our talks?
我们是否能保证有充足的时间来谈判？
The coldest season of the year is winter.
一年里最冷的季节是冬天。