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
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
He is a good friend that speaks well of us behind our backs.
背后说人好话的够朋友。
Certainly! What's wrong?
当然可以，怎么了？