Scala tympani
[医] 鼓阶
🧩 词语组成解析
[医] 阶
n. 定音鼓
🗣️ 情景例句
Oh, you're right.
哦， 说得对。
It is my pleasure to introduce the keynote speaker for today.
我很荣幸地介绍今天的主讲人。
The English and Maths papers weren't easy enough for me.
英语和数学试题对我来说不很容易。