Petit's triangle
[医] 波替氏三角, 腰三角
🧩 词语组成解析
🗣️ 情景例句
Let's go to the fraternity party.
咱们去兄弟会吧。
She was the more promising worker of the two.
她是两个工人中比较有前途的一个。
Is this the right bus for the Capital Library?
这辆车到首都图书馆吗？