either
indef det, indef pron one or the other of two （两者中的）一个.
(a) (det)
You can park on either side of the street. 在街道的哪边停车都可以.
Keep either one of the forms. 两张表格保留哪张都行.
There's a staircase at either end (ie both ends) of the corridor. 走廊两端都有楼梯.
(b) (pron) (used with a sing v 与单数动词连用)
I've bought two cakes you can have either. 我买了两块蛋糕--你要哪块都行.
Take one of the books on the table either of them will do. 从桌上拿一本书--两本中哪本都可以. either, indef adv 1 (used after two negative vs 用於两个否定式之後)
I don't like the red shirt and I don't like the green one either, ie I dislike both the red shirt and the green one. 我不喜欢这件红衬衫, 也不喜欢这件绿衬衫.
Mary won't go and Peter won't go either. 玛丽不去, 彼得也不去. (Cf 参看...and neither will Peter. )
He can't hear and he can hardly speak either. 他既听不见也几乎不能说话. =>Usage at also用法见also.
2 (used to emphasize a negative phrase 用於强调含否定意义的短语)
I know a good Italian restaurant. It's not far from here, either. 我知道一家很好的意大利餐馆, 离这儿并不远.
3 either...or... (used to show a choice of two alternatives 用於表示在两个可能性中任择其一)
either French or Spanish 或法国的或西班牙的
I left it either on the table or in the drawer. 我不是把它放在桌子上了, 就是放在抽屉里了.
You can either write or phone to request a copy. 既可以写信也可以打电话索取一本.