Lactonic acid
[医] 半乳糖酸
🧩 词语组成解析
a. [化]内酯酸的, 无水氢氧酸类的
🗣️ 情景例句
Yes. I'm checking out now, and want to get a taxi to the cinema.
我现在要退房，需要一部出租车到电影院。
Why are you frustrated?
你为什么失败？
I don't understand! What do you mean? asked Mrs Brown.
“我不懂！你说的是什么意思？”布朗夫人问道。