Human's sign
[医] 休曼氏征, 下颌回缩征
🧩 词语组成解析
🗣️ 情景例句
As a matter of fact,
事实上，
Pigs may fly,but they are very unlikely birds.
猪儿纵会飞，终究不是鸟。
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。