Cogwheels
(cogwheel 的复数) n. 钝齿轮, 嵌齿轮
🗣️ 情景例句
used for new books
被用来购买新书
I'm going to show him how to speak Spanish.
我正要指点他如何讲西班牙语。
Yes, it is. You need to wear warmer clothes.
是啊，你应该穿得更暖和些。