Petit's triangle
[医] 波替氏三角, 腰三角
🧩 词语组成解析
🗣️ 情景例句
Let's drill them in English pronunciation.
我们来给他们做英语发音练习。
Patience is bitter, but its fruit is sweet.
忍耐是苦痛的，但它的果实是甜蜜的。
However, size and strength are not the only important things about this bridge.
然而，这座桥重要特点不仅是它的规模与强度。