英和和英

Twenty years later.

twenty years

twenty‐odd years

a twenty‐year‐old

in the year 1920

to attain one's twentieth year

It is the year 2020.

Thirty years later.

the one hundredth year following some event

every hundred years

a hundred years

For over 20 years

occurring once every 20 years

fifty years

enter the 21st century

today in one hundred years time

Twenty years already passed.

a period of 100 years

Twenty years earlier.

a period of 50 years

the late 20th century

the Twentieth Century

toward the end of 20th century

a span of 2000 years

last 2 million years

forty years

The year twenty-eleven.

The year two thousand eleven.

a period of 25 years

The fiscal year of twenty two.