Lineae nigra
[医] 黑线
🧩 词语组成解析
[医] 线
[医] 黑质
🗣️ 情景例句
Three cheers for Ms Li.
给李小姐三声欢呼！
She knew that a vocation this year was out of the question.
她知道今年不可能有假期。
He built a glass wall through which he could watch what went on inside.
他建造一堵玻璃墙，透过玻璃墙他能够观察里面发生的事情。