inglés example sentences with "scrapings"

I spent that day listening to the lonely scrapings of a pen. During that time, from time to time, I heard a Java sparrow twittering. It occurred to me that maybe Java sparrows twitter out of loneliness too. I walked out to the veranda to see. Nevertheless, flying to and fro between two perches busily and incessantly, it did not show the slightest hint of grievance.
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To determine the cause of the dog's extreme itchiness, the veterinarian checked a couple of skin scrapings under a microscope. After finding mange-causing mites, she prescribed an appropriate treatment.
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They recruited 10 volunteers to donate samples of their skin bacteria, and the volunteers had skin scrapings taken from 20 different locations on their bodies.
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