Macewen's triangle
[医] 麦丘恩氏三角, 外耳道上三角
🧩 词语组成解析
🗣️ 情景例句
Good morning. This is Huang Feng.
早上好，我叫黄凤。
He emerged as leader at the age of thirty.
他在30岁时出人头地成为领袖。
Good news?Why?
好消息？为什么？