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
There is a lot of unsavory material available on the internet.
网络上有很多不健康的信息。
who did George marry?
乔治结婚了吗？
but ten months later, she received a letter from a girl in Holland.
但10个月以后，她收到了荷兰一位姑娘的来信。