灵长类

例句：

1. 1. The mountain is at its apex of the valley.
   这座山是山谷的最高点。
2. 2. The company's profits reached their apex in 2018.
   该公司的利润在2018年达到了顶峰。
3. 3. The team achieved its apex performance during the final quarter.
   该队在最后一季度取得了最佳表现。