每三年 meaning in English
triennially
Examples
- I have a furlough every three years .
我每三年休假一次。 - If one-third of the stars are single stars with planets, then planetary systems are born, on the average, every three years .
如果这些恒星中有三分之一是拥有行星的单星,那么平均每三年就会诞生一个行星系。 - Yes , less frequent than once every three years
有,少于每三年一次 - All aici certifications shall be renewed every three ( 3 ) years
所有aici资格认证必须每三年更新一次。