Rackwork
齿条, 齿条加工, 齿条机构
🗣️ 情景例句
It sounds so nice.
很好听。
This driver cannot driver any farther because there is a man in the manhole.
由于
Oh, look! It's like new again! Thank you very much, Uncle Wang.
噢，你瞧！又像新的了！非常感谢你，王叔叔。