Rackwork
齿条, 齿条加工, 齿条机构
🗣️ 情景例句
My mother is terrific at any kind of sewing.
我母亲做任何针线活都棒极了。
Excuse me! I'm sorry I startled you!
对不起！很抱歉，让你受惊了！
She is cut out for that job.
她很适合那个工作。