happening twice each year; semi-annually; six-monthly; biannual

listen to the pronunciation of happening twice each year; semi-annually; six-monthly; biannual
Английский Язык - Английский Язык

Определение happening twice each year; semi-annually; six-monthly; biannual в Английский Язык Английский Язык словарь

Happening twice each year; semi-annually; six-monthly; biannual.
twice-yearly

Twice-Yearly Surveys of Affluent Americans.