Cogwheel sign
[医] 齿轮征
🧩 词语组成解析
n. 钝齿轮, 嵌齿轮
🗣️ 情景例句
I'm just not sure about what I want to do.
我不知道该读什么？
Good afternoon,Mr. Green.
午安，格林先生。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。