我用刮刀清理了锅底的顽固食物残渣。

I used a ___scraper to remove the stubborn food residue from the bottom of the pan.

那个捡破烂的人每天在街上收集废纸和塑料瓶。

The ___scraper collects waste paper and plastic bottles on the streets every day.

我用网页抓取工具自动获取新闻标题。

I used a ___scraper to automatically gather news headlines.