Lineae nigra
[医] 黑线
🧩 词语组成解析
[医] 线
[医] 黑质
🗣️ 情景例句
OK. I will try her back then.
好的，我到时再试试看。
When did you know the answer?
你什么时候知道答案？
Were you at butcher's, too?
您也在肉店里吗？