2010年3月14日：圆周率日。
Mathematics enthusiasts will this weekend be celebrating Pi day, which falls on 14 March in honour of the famous ratio's first few digits, 3.14.
数学迷们将在本周末庆祝他们的圆周率日，这一天之所以落到3月14号是为了纪念这个这个著名比例的头几位：3.14。
The first Pi Day celebrations were held at the San Francisco Exploratorium when the now retired Larry Shaw decided the day was worth commemorating.
第一届pai节的庆祝活动是在旧金山的探索博物馆里举行，现已退休的LarryShaw那时就觉得这个日子值得纪念。
The first Pi Day celebrations were held at the San Francisco Exploratorium when the now retired Larry Shaw decided the day was worth commemorating.
第一届pai节的庆祝活动是在旧金山的探索博物馆里举行，现已退休的LarryShaw那时就觉得这个日子值得纪念。
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