as long as 3040とは 意味・読み方・使い方

a time period of 30 years

in the thirties

he's about 30 years old

thirty‐ish

a 30‐centimeter ruler

The play had a run of thirty days.

As I look back, it is now thirty years since.

He is about thirty （years of age）―thirty or thereabouts.

Count up to thirty.

30 to 300 megahertz

in mid-1958

the thirtieth

I'm going to be thirty next month.

from 310 million to 280 million years ago

from 230 million to 63 million years ago

More than thirty years have already passed.

as early as May [1800]

30 to 300 kilohertz

hundreds of years later

The number has been increased to thirty.

in 200 CE

It had a run of 30 days

It ran for 30 days.

three thousand years

from 345 million to 310 million years ago

from 345 million to 280 million years ago

a period of 50 years

for near fifty years

a period of 25 years

for forty years