Petit's triangle
[医] 波替氏三角, 腰三角
🧩 词语组成解析
🗣️ 情景例句
The battle was very historic.
那场战役在历史上很重要。
It is not the gay coat that makes the gentleman.
君子在德不在衣。
Which would you prefer?
你要选哪个？