classes中文什么意思

例句与用法

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1. They are the vanguards of the working class .
   他们是工人阶级的先锋队。
2. It is the working class that is most selfless ...
   工人阶级最大公无私。
3. Europe still had its old class system .
   欧洲仍然存有其古老的阶级制度。
4. These plants were distributed into 22 classes .
   这些植物分为22类。
5. Such a student is a credit to his class .
   这样的学生是全班的光荣。