first division segregation

例句：

1. 1. The first division of the city is home to many museums and art galleries.
   城市的首个分区拥有许多博物馆和艺术画廊。
2. 2. In the first division, students are required to take a mandatory English language course.
   在首个分区，学生必须参加一门强制性的英语语言课程。
3. 3.The first division was designed to accommodate large numbers of people, while the second division was reserved for more exclusive use.
   首个分区旨在容纳大量人群，而第二个分区则用于更专属的使用。