type batch

例句：

1. 1. The book has several types of chapters.
   这本书有几种类型的章节。
2. 2.This is a type of car that runs on electricity.
   这是一种电动汽车。
3. 3.Different types of flowers bloom at different times of the year.
   不同种类的花朵在不同的季节开花。