Lineae nigra
[医] 黑线
🧩 词语组成解析
[医] 线
[医] 黑质
🗣️ 情景例句
If your pet turtle gets sick, take him to the vet.
如果你的宠物龟病了，带它去看兽医。
He who hath good health is young,and he is rich who owes nothing.
健康葆青春，无债即富有。
Why do you say that?
你为什么这样说？