接触动物或动物的玩具、皮带或排泄物。
为什么在某些文化中，某些身体部分，或排泄物，被认为是粗话，懂礼貌的人不会说？
Why is it that in some cultures body parts, certain body parts, or excrement is considered a foul word that you're not supposed to say in polite company?
这块古代排泄物或粪化石，同烧焦的多刺梨种子散落在一起，点缀着来自鱼、鸟、啮齿目动物的小块骨头。
The ancient fecal material, or coprolite, was littered with seared prickly pear seeds and flecked with small bones from fish, birds, and rodents.
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