Melanogallic acid
[医] 黑鞣酸
🧩 词语组成解析
🗣️ 情景例句
That's nothing at all.
不用客气。
George's father is an attorney.He has his own practice.
乔治的父亲是一个律师，他有他自己的实践经验。
Sorry! I won't do it again.
对不起！我不会再这样了。