Sphenoid cells
[医] 蝶窦
🧩 词语组成解析
a. 楔形的\\nn. 半面晶形, 蝶骨
n. 细胞；牢房；小屋；单元格（cell的复数）
🗣️ 情景例句
I've been busy all day.
我今天一整天都非常忙。
I locked all the doors.
我锁好了所有的门。
The guests had, of course, realized this from the moment Bessie opened the door for them and, long before the final catastrophe, had had a difficult time trying to conceal their amusement.
客人们自然从贝西为他们开门那一刻起就看出来了，在好长一段时间里，即最后这个乱子发生前，他们努力克制才没笑出声来。