Bedeutung von “thirty” — Learner’s Dictionary

thirty

us uk /ˈθɜːti/
It'll take you thirty minutes to get to the airport.The research focused on men under thirty.I swim thirty lengths of the pool most mornings.She smokes thirty cigarettes a day.He's racked up debts of over thirty thousand pounds.

A2 the number 30

the thirties

the years from 1930 to 1939

be in your thirties

to be between the ages of 30 and 39

thirtieth

30th written as a word

(Definition von “thirty” aus dem Cambridge Learner's Dictionary © Cambridge University Press)