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1、π (Pi; periphery/周长) March 14 marks Pi Day, the holiday commemorating the mathematical constant π (pi), written numerically as 3.141592+. Since math 阅读全文
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1、flagship：（字面意思：旗舰->中军）王牌，头号，第一流。 2、designate(adj)：「常置于被其修饰的名词后」已受委派而尚未上任的，准，已当选而尚未就职的： a minister designate：准部长 阅读全文
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C#与.NET 一、什么是C# 这里的「#/♯」读作「sharp」，意思是「(Music, other) (immediately postpositive) denoting a note that has been raised in pitch by one chromatic semiton 阅读全文