each的意思是： adj.每；各自的；adv.每个；各自 ；pron.每个；各自 【例句】Analyzes each production line.分析每条生产线.How long must I practice each day?我每天必须练习多长时间呢?Girl:Certainly.These are twelve yuan each.女孩：可以.这种是十二元一支.

each of的意思是其中的每一个 Each of our troubles is a steppingstone.每一个困难都是你的踏脚石。Each of them has a nice ring.她们每人有一枚漂亮的戒指。Because each of his tears becomes a pearl.因为他的每一滴眼泪都能变成珍珠。

Each of them + sing.v...Each student/ book + sing.v.这两种情形永远在语法上都不会使用复数动词的!但each 作为 adv.作同位语强调时，动词用复数，意思也不改变。Each of them has a new dictionary.= They each have a new dictionary.