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
First, we have to catch some fish.
首先 ，我们得钓几条鱼。
Are you going to Paris after you leave here?
离开这里以后，你打算去巴黎吗？
How do you usually come to school?
你平常怎样来上学？