either

['i:ðə]

adj.任一的, 两方的
pron.任一
adv.也（用于否定句中）
conj.或者（常用于either...or...的结构中）

例句与用法：

I will go on business either this week or next week.

我将在这星期或下星期出差。

It's not as heavy, either.

这也不那么重。

Can you speak either English or French?

你会说英语或法语吗？

I won't trust either of the two brothers; they are tarred with the same brush.

弟兄两个我谁也不相信，他们都是一路货色。

A unit of measurement equal to the length of either of these instruments.

测量单位等于这两种工具长度任一种的一个测量单位

Either we will find a supply, or we will make the goods.

我们或是寻求供货，或者自己制造。

You may take either of the roads.

两条路你随便走哪一条。

If you do not go, I shall not go either.

你不去，我也不去。

详细释义：

a.

1. (两者之中)任一的

You may go by either road.

你两条路都可以走。

2. (两者之中)每一方的; 每一的

She studied history and philosophy, but she had little interest in either subject.

她学过历史和哲学, 但对这两门课都没有多少兴趣。

He had a bag in either hand.

他两手各拿一只包。

pron.

(两者之中)任何一个

I don't agree with either of you on these issues.

在这些问题上, 你们两个我都不同意。

conj.

(通常与or连用)或者

Either you or your father must see this young man today.

你或是你的父亲今天必须见这位年轻人。

She is coming either today or tomorrow.

她不是今天来就是明天来。

ad.

(用在否定句中)也, 而且; 根本

If you don't go, I won't either.

如果你不去, 我也不去。

It won't do them any good, but it won't do them any harm either.

这对他们没有好处, 但也没有坏处。

短语词组：

either ... or ...

1. 不是……就是……; 要么……要么……

She is either drunk or mad.

她不是醉了就是疯了。