all of each of both of 的用法
each每一个都(可用于多个以上物体或人),谓语接单数形式
both
两个都(只用于两个物体或人),谓语接复数姓式。
All
of
用于三者及三者以上
both
of只用于两者间
each
of是指每一个
强调一个个体
像each
of
us就表示我们每一个人
扩展阅读:archive of own our ... achieve our own 官网入口 ... another one ... that is all right ... all of the above ... all of sudden ... all each one ... shape of my heart ... all of whom ...