英['aiðə]美['i:ðər]

作形容词

1.（两者之中）任一的

2.（两者之中）各一的，每一的

作代词

（两者之中）任何一个；各方，每一方

作副词

也，而且

作连词

或者，要幺

also，too，as well，either，likewise

这些词均含“也”之意。

also比too正式一些，语气较重，只用于肯定句，一般紧靠动词。

too语气较轻，多用于口语，用于肯定句与肯定问法的疑问句，通常位于句末。

as well一般不用否定句，通常放在句末，强调时可放在句中。

either用于否定句与否定问法的疑问句，放在句末，之前不加逗号。

likewise是书面语用词。

either ... or ...要幺...要幺...

either of+the+可数名词複数 任何一个

反义词 neither

The bonding agent may be incorporated in the suspension either through the use of thermosensitive fibers or as an adhesive of some type.

可以使用热敏性纤维，也可以加入多种粘合剂进行纤维的粘合。

Binary digit either the digit 0 or the digit 1 as used in binary notation.

二进制数字0或1用于二进制记数法。

This was not a desirable choice either, since they would have difficulty finding work during the economic downturn.

这也并非一个好的选择,在经济萧条期这些工人很难找到工作。

Every Sunday,they disport themselves either in the parks or in the mountains.

每周日他们或去公园或去爬山。

The large cane-chair was placed in readiness on the foredeck, the two bearers waiting on either side.

那只大藤椅已经放在云飞船头，两个精壮的脚夫站在旁边。

after a negative statement used as an intensive meaning something like likewise' or also'he isn't stupid, but he isn't exactly a genius either I don't know either if you don't order dessert I won't either