Cogwheel
n. 钝齿轮, 嵌齿轮
✅ 同义词
🗣️ 情景例句
We have several package tours you may choose, from ten days to three weeks in Europe.
我们有几套欧洲旅游计划选择，时间从10天到3个星期。
Opportunity seldom knocks twice.
机不可失，失不再来。
John works in a factory about ten kilometres from his home.
约翰在一家距离他家大约 10公里远的工厂工作。