Cogwheel sign
[医] 齿轮征
🧩 词语组成解析
n. 钝齿轮, 嵌齿轮
🗣️ 情景例句
Don't worry. The traffic is very heavy at this hour.
别担心。这个时间交通很拥挤。
I can come any time except Sunday.
除星期天外我都能来。
Is this a pen?
这是一支钢笔吗？