separation of cranial sutures

例句：

1. 1.The separation of the two countries is a complex issue that requires careful consideration.
   两国的分离是一个复杂的问题，需要仔细考虑。
2. 2. The separation of the two teams was unexpected, but it led to a more competitive environment.
   两队的分开是出乎意料的，但这导致了更激烈的竞争环境。
3. 3. The separation of the two cultures has created a unique blend of traditions and customs.
   两种文化的分离创造了独特的传统和习俗的结合。