Mastoid cells
[医] 乳突小房
🧩 词语组成解析
a. 乳头状的\\nn. 乳突
n. 细胞；牢房；小屋；单元格（cell的复数）
🗣️ 情景例句
I think you have got it, Richard.
我想你已完成了 ，Richard。
I'd like to try on these hats.
我想试试这些帽子。
Take a deep breath and I'll time you. But don't drown!
深吸一口气，我来给你计时。但别淹着！