Otosteon
[医] 耳石, 听小骨
🗣️ 情景例句
Remembering the past was his only ple4asure.
回忆往事是他唯一的乐趣。
Many good cows have evil calves.
很多好母牛，会生坏小犊。
There is a TV show about AIDS on right now.
电视正在播放一个关于爱滋病的节目。