Leap year
01
闰年, 闰年年份
a year in every four years that has 366 days instead of 365
例子
2020 was a leap year, so it had 366 days instead of the usual 365.
2020年是闰年，所以它有366天而不是通常的365天。
We celebrate my birthday every leap year on February 29th.
我们每闰年的2月29日庆祝我的生日。
