| 1. | In leap years there are 366 days . 在闰年有366天。 |
| 2. | All years that are divisible by 4 should be leap years of 366 days, except those which coincide with the beginning of a century . 除了世纪开始的年份外,所有被四整除的年份应是由366天构成的闰年。 |
| 3. | Determines whether the specified year is a leap year 确定指定的年份是否为闰年。 |
| 4. | Leap year is the year when february has 29 days 二月里有29天的月份是闫年。 |
| 5. | A common year has 354 days and a leap year has 355 days 平年有354天,闰年有355天。 |
| 6. | The leap year comes around once in four years 闰年每四年来一次[每四年有一个闰年] 。 |
| 7. | A common year has 365 days and a leap year has 366 days 平年有365天,闰年有366天。 |
| 8. | A leap year can have from 383 to 385 days 闰年可能有383到385天。 |
| 9. | Returns an indication whether the specified year is a leap year 返回指定的年份是否为闰年的指示。 |
| 10. | February has 29 days during leap years and 28 during common years 2月在闰年中为29天,在平年中为28天。 |