Fredericq's sign
[医] 弗雷代里克氏征(肺结核患者牙龈上的红线)
🧩 词语组成解析
🗣️ 情景例句
Where there's a will, there's a way.
有志者事竟成。
Certainly. Ask whatever you like.
当然，你什么都可以问。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。