the act of removing the surface from something using a sharp edge or something rough

Use techniques that generate less dust, such as wet sanding or scraping. 采用不会产生太多灰尘的办法，如湿式打磨或刮削。

I do all the chopping, scraping and pressing the garlic. 我负责把大蒜切碎、去皮和压碎。

the act of rubbing against a surface so that slight damage or an unpleasant noise is produced

I heard the scraping of a chair and then footsteps. 我听到椅子刮过地面的声音和脚步声。

There was a scraping noise as the train derailed. 火车出轨时发出一阵刮擦声。

a small part that has been removed from the surface of something with a sharp edge or something rough

The pathologist collected fingernail scrapings from Craig's hands. 病理学家从克雷格的手上收集了指甲刮片。

The roads are so narrow that trucks leave scrapings of paint on the mountain walls. 道路非常狭窄，以致于卡车在山壁上留下了油漆的刮痕。

the activity of taking information from a website or computer screen and putting it into spreadsheet (= an electronic document in which information is arranged in rows and columns and can be used in calculations) on a computer

The law on scraping is still not fully developed, so the push for more and more online data moves forward on uncertain ground. 关于数据抓取的法律仍不健全，因此对更多在线数据的需求是在不确定的基础上向前发展。