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
He has a great enthusiasm for personal computers.
他热衷于个人电脑。
Where can I wash my hands?
请问洗手间在哪里？
Yes. I wrote it down on a piece of paper. Here it is!
是的。我写在一张纸上了。在这儿！