Mastoid cavity
[医] 乳突腔
🧩 词语组成解析
a. 乳头状的\\nn. 乳突
🗣️ 情景例句
And my first nephew.
我的第一个侄子。
What would you have done last night if you hadn't had to study?
如果昨晚你不必学习你会做什么？
When they arrived, he said: Welcome to our factory! Please come this way. Don't rush.
“欢迎参观我们厂！请走这边。别急。”