2月29日被称为闰日。
科学家告诉情侣们不要在闰日结婚。
一些古代人认为闰日是不吉利的。
闰年是生活困苦的象征,而闰日则是不幸的代表。
Leap years were believed to be difficult, and leap days were unlucky.
闰日或闰年出现的原因是我们的历法并不精确地遵循地球围绕太阳运行的轨道。
The reason for a leap day or a leap year is because our calendar does not follow the Earth's orbit around the sun exactly.
当在衍生类别中覆写时,判断指定纪元中的指定日期是否为闰日。
When overridden in a derived class, determines whether the specified date in the specified era is a leap day.
当在衍生类别中覆写时,判断指定纪元中的指定日期是否为闰日。
When overridden in a derived class, determines whether the specified date in the specified era is a leap day.
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