“闰年”用英语怎么说？

“闰年”的反义词：平年。...

闰年有366天.A leap year has 366 days.每四年闰年一次.Leap year recurs every four years.在闰年有366天.In leap years there are 366 days....

“闰年”的拼音为：rùn nián...