Mastoid cavity
[医] 乳突腔
🧩 词语组成解析
a. 乳头状的\\nn. 乳突
🗣️ 情景例句
His experience will be valuable to both of us.
他的经验对你我都很有用。
Everything has its time and that time must be watched.
任何事情都有好的时机，不要随意放过。
Not at all.
不客气。