interfere [ inter- = between 在…之间；fere = to strike 打击=>“to strike between 从中间打人”→] v. get in the way of each other; take part for a purpose 干预；干涉 / The police interfered to stop the riot. 警方干预制止骚乱。

interference n. 干涉，干预；妨碍，打扰

interpose [ inter- = between 在…之间；pos = toplace 放置；“to place between 放在当中”→] v. insert 插入 / He interposed his hand between my eyes and the light. 他将手放在我眼前挡住灯光。

interposition n. 插入；插嘴；干预

interrupt [ inter- = between 在…之间；rupt = to break 打破=>“to break between从当中打断”→] v. break in upon; hinder 中断;阻碍 / A fire drill interrupted our lesson.火警演习打断我们上课。

interruption n. 中断；打断；障碍物 

interruptive a. 中断的;阻碍的，打断的

现在介绍派生前缀inter-与单词缀合的几个例子。

interchange [ inter- = mutually 相互地；change v. 变换“to change mutually 互相之间变换”→] v. give and receive between two persons，etc. 交换，互换 / The two girls exchanged hats. 两个女孩交换帽子。

interchangeable a. 可交换的；可互换的

interconnect [ inter- = mutually 互相；connect v. 联系→]v . connect with each other使互相联系；使互相结合/ The two things are closely interconnected. 这两个事物紧密地联系在一起的。