Petit's triangle
[医] 波替氏三角, 腰三角
🧩 词语组成解析
🗣️ 情景例句
You and me. Dinner.
你和我。吃晚饭。
Well, thank you for coming.
唷，谢谢你的光临。
Then he spoke slowly, but I could not understand him.
于是他说得慢了，可我还是听不懂。