骨头

例句：

1. 1. The dog was very happy to see the bone it had been searching for.
   那只狗很高兴看到它一直在寻找的骨头。
2. 2.The scientist found a fossilized bone in the cave.
   科学家在洞穴里发现了一块化石骨。
3. 3. The old man was buried with his favorite bone.
   那位老人和他的最爱的骨头一起被埋葬了。