然而几何学告诉我们，只有二次、三次、四次和六次的旋转对称是能够存在的形式。

That is impossible. Geometry dictates that only two-, three-, four- and sixfold rotational symmetry can exist.

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目前，患者通过测试他们的血糖水平和定时注射每天多至六次的胰岛素来处理他们的疾病。

Currently, patients manage the disease by testing their blood sugar (glucose) levels regularly and injecting themselves with insulin up to six times daily.

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媒体的镜头在今年将继续对准gaga。她将挑战自己在MTV音乐录像大奖上换装六次的战绩。

This year, expect the cameras to hover around Gaga, who will be challenged to top the six different costumes she donned at the MTV Video Music Awards.

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That's the average of all of your weekly quizzes in the recitation. Each of those three monthly tests gives also a sixth.

就是你们每周背诵课的测试的平均分,而三次的月考,的成绩也占六分之一。

麻省理工公开课 - 固态化学导论课程节选

The first thing I'll say is, when you have a business that's changing very rapidly, if you have five or six meetings a year, it's incredibly hard for somebody on a board to know a whole lot about your business.

我首先要说的是，你的公司发展很快时，如果你每年开五，六次会，董事们会很为难,知道整个公司的情况。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

Got married six times. Anyway, so we are making, we're doing,

结了六次婚。不管怎样，这就是我们表演的，我们在做的，

正在准备庆典 - SpeakingMax英语口语达人