In a leap year, the dates jump over one day of the week.
在闰年的时候，日期会跳过一周中的某一天。
While the Buffy news seems striking, it is actually just confirmation of Facebook's serious leap into the mobile space, which has already been in the works for more than a year.
Buffy手机上市的消息看似惊人，其实，这只不过是Facebook向移动空间迈进的重要一步，Facebook已为此做了一年多的准备。
Each leap year we add that day onto the end of February.
每个闰年我们都要在二月底加上一天。
Leap year recurs every four years.
每四年闰年一次。
The Julian calendar approximated the mean tropical year as 365.25 days and proposed 366-day leap years for every one divisible by four.
儒略历将太阳年划为365.25天，闰年366天，每四年一次。
There are 366 possible birthdays (including February 29 in a leap year) and this blog has many more than 367 readers.
包括润年的2月29日在内，全年366天中的某一天都可以成为某人的生日。
Amazon filed a patent for advertisements on the Kindle last year, and Apple could easily make the leap to in-book advertising using its iAds platform (Why iAds could be Bigger Than iPads).
亚马逊去年为在电子书Kindle里面放广告申请了一项专利，苹果也很容易使用他的iAds平台做起了电子书广告(这就是iAds可能比iPads更大的原因)。
In a 1-out-of-365 chance, or less considering leap year, Palmisano and Rometty share the same birthday, July 29th; is that an omen of some kind?
帕米萨诺和罗梅蒂在7月29日同一天生日，这可是365分之1的小概率，考虑到闰年，可能更小；这是某种预兆吗？
Feb. 29 is an intercalary day; leap year is an intercalary year.
2月29日是闰日；闰年是有添加日的年份。
For example, the year 2000 was a leap year, but the year 1900 was not, because when divided by 400, it does not render a whole number.
比如，2000年是闰年，但是1900年不是。因为1900不能被400整除。
为什么要有闰年？
原来1900不是闰年。
The question is whether Intel's technology will leap ahead of AMD's when it releases new chips later this year for laptops, desktop computers and big computer servers.
对英特尔来说，问题在于能否于今年晚些时候在AMD之前发布针对笔记本电脑，台式电脑和大型服务器的新芯片，并处于领先地位。
How often is there a leap year?
隔多长时间有一次闰年？
How often is there a leap year?
隔多长时间有一次闰年？
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