ago
[ә'gәu]
ad.

1. He came here two years ago.
   两里。
2. He joined the army a year ago.
   ，。
3. Long ago enormous animals lived on the earth.
   很，球活着巨动。

ago
[ adv ]

1. in the past

<adv.all>
long ago
sixty years ago my grandfather came to the U.S.

[ adj ]

1. gone by; or in the past

<adj.all>
two years ago
`agone' is an archaic word for `ago'

Ago \A*go"\, a. & adv. [OE. ago, agon, p. p. of agon to go away,
pass by, AS. [=a]g[=a]n to pass away; [=a]- (cf. Goth. us-,
Ger. er-, orig. meaning out) + g[=a]n to go. See {Go}.]
Past; gone by; since; as, ten years ago; gone long ago.