蝶骨

例句：

1. 1. The occipitalbone is the largest and strongest bone inthe human body.
   枕骨是人体中最大的骨头。
2. 2. The occipitalbone is responsible for supporting the head andneck.
   枕骨负责支撑头部和颈部。
3. 3.The occipital bone isalso involved in balance and coordination.
   枕骨还参与平衡和协调。