一、each作“各自的”,“每个的”解,作形容词用：
1.Each element has some special properties.每种元素都有些特殊性质.
2.There are many trees on each side of the river.河流两岸许多树.
二、each other作“互相”、“彼此”
1.They speak English to each other.他们彼此讲英语.
2.We help each other.我们互相帮助.
3.We often compare notes with each other on our work and study.我们经常就工作和学习方面互相交换意见.
三、作“各子地”讲,作副词用：
1.The students have ten books each.(=Each of the students has ten books.)这些学生每人有十本书.
2.Give them two books each.(=Give each of them two books.)给他们每个人两本书.
3.Different kinds of waves have each the same three characteristics:amplitude,frequency and length.不同的波(各)都有三个相同的特性：幅度、频率和波长.
四、作“各子”、“每个”讲,作代词用：
1.Each has his advantages.各人都有其优点.
2.He gave each of us a tool.他给我们每人一件工具.
五、注意each作同位语的用法：
1.They each put forward a proposal.他们每人提出一条建议.
2.The workers are each of them hard-working.这些工人个个勤奋劳动.