thirty
number uk/ˈθɜː.ti/ us/ˈθɝː.t̬i/
A2 （数字）30
the number 30
twenty-nine, thirty, thirty-one 29，30，31
She got married when she was thirty (years old). 她30（岁）的时候结婚了。
- More examples
- There must have been thirty to thirty-five people there.
- Every thirty minutes or so the flight attendant would wheel the drinks trolley down the aisle.
- He must be about sixty, whereas his wife looks about thirty.
- The water is some twenty to thirty metres beneath the ground.
- Linda's been in the business for thirty years - she knows what's what.