Petit's triangle
[医] 波替氏三角, 腰三角
🧩 词语组成解析
🗣️ 情景例句
Would you mind telling me what the climate is like in California?
您能告诉我加利福尼亚的气候怎么样？
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
It's nice and warm out here.
这外面挺暖和。