Petit's triangle
[医] 波替氏三角, 腰三角
🧩 词语组成解析
🗣️ 情景例句
What do you think of China?
你认为中国怎么样？
Every brave man is a man of his word.
勇敢的人都是信守诺言的人。
but on the third night, a storm blew up.
但第三天晚上起了风暴。