Risus caninus
[医] 痉笑
🧩 词语组成解析
笑, 大笑
[医] 犬齿肌, 尖牙肌(口角提肌)
🗣️ 情景例句
I'm doing it for you.
也是为你做的。
The flood has left many people homeless.
许多人因洪水而失去了家园。
The line's busy. I'll try again later.
电话占线，过一会我再打。