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
Hello, my name is ... May I speak to ...?
喂， 我叫……我可以和……讲话吗？
He should see the doctor.
他应该去看医生。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。