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 take the next left turn to the stop sign.
我在下个路口左转弯， 到一个停车再开标志处，
Mr. Li Ming is looking forward to going to America in September.
李明先生正盼望着九月份去美国。
I was doing some exercises on the high-and-low bars. When I landed, I fell forward and hurt myself. Someone was standing too close and I knocked into him and fell over onto my shoulder.
我当时在高低杠上练习。落地时向前摔倒受了伤。有人站的离我太近，我撞在他身上，跌了一跤，肩膀也受了伤。