This phrase likely comes from the fact that animals, such as dogs and rats, are often seen gnawing on bones as a way to consume the remaining nutrients and to sharpen their teeth.
Here are some example sentences using this phrase:
"The dog was happily gnawing on a bone in the backyard." (狗在后院开心地啃骨头。)
"I saw a mouse gnawing on a bone in the corner of the room." (我看到房间角落里有一只老鼠在啃骨头。)
"The archaeologist found ancient bones that had been gnawed on by animals." (考古学家发现了被动物啃过的古骨头。)
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最佳回答 2023-05-28