vary between A and B eg class numbers vary between 25 and 30

vary between A and B eg class numbers vary between 25 and 30
vary between A and B
eg class numbers vary between 25 and 30

vary between A and B eg class numbers vary between 25 and 30
 


eg class numbers vary between 25 and 30 这句话是:

例：班级数介於二十五与三十之间不等.




而 vary between A and B是: 

介于A与B之间变化不一 (依情况而定的意思).

为你

组数变化于25到30之间

→→→→→→→→→→→→→→●←←←←←←←←←←←←←←←
如不明白请及时追问，如果满意请采纳！
手机提问者如果满意，请在客户端右上角评价点“满意”即可！
欢迎随时私信或hi求助！...

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为你

组数变化于25到30之间

→→→→→→→→→→→→→→●←←←←←←←←←←←←←←←
如不明白请及时追问，如果满意请采纳！
手机提问者如果满意，请在客户端右上角评价点“满意”即可！
欢迎随时私信或hi求助！

收起

班级的数量在25和30之间
vary between A and B ：数量介于A与B之间

数量介于A与B之间