Mastoid
a. 乳头状的\\nn. 乳突
📖 牛津释义
mastoid
n
part of a bone behind the ear （耳後的）乳突.
🏥 医学释义
①乳突 ②乳突状的
🗣️ 情景例句
Sure can.
当然可以。
What are you eating?
你正在吃什么？
The explanation was simple but very unusual.
解释很简单，却异乎寻常。