Cogwheel sign
[医] 齿轮征
🧩 词语组成解析
n. 钝齿轮, 嵌齿轮
🗣️ 情景例句
Hello, Air China Flight Reservations. May I help you?
喂，你好，中国航空公司订票处，需要帮忙吗？
Why not go out for a walk?
干吗不出去散步？
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。