Catechuic acid
[医] 儿茶酸, 儿茶素
🧩 词语组成解析
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
May I have your name?
能告诉我你的名字吗？
but they lead mysterious lives of their own as well.
但是，它们又有自己神秘的生活方式。