Petit's triangle
[医] 波替氏三角, 腰三角
🧩 词语组成解析
🗣️ 情景例句
I'm not tipping you, you drive like a maniac.
我不打算给你小费， 你开车像个疯子。
After eating breakfast,I go back upstairs again.
在吃早餐以后，我再回楼上。
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。