Catechutannic acid
[医] 儿茶鞣酸
🧩 词语组成解析
🗣️ 情景例句
Do you have family in New York?
在纽约有亲人吗？
How will you spend the evening?
你晚上干什么？
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。