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
Don't tell any one,
别告诉别人，
Sorry to have kept you waiting.
抱歉使你久等了。
'We're going back now,' said the conductor.
“我们现在要返回去，”售票员说。