排卵试纸到底有没有起作用，汉娜已不得而知。但科学也好，运气也罢，重要的是，200年来，劳里家族的“生男魔咒“终于被打破了。
Hannah will never know if her ovulation kits did the trick. But whether by luck, or science, the 200-year Lawrie family boy spell has finally been broken.
劳雷塔刘易斯出生于一个意大利家庭和成长起来的在西在伦敦·汉普斯特德。
Lauretta Lewis was born into an Italian family and grew up in West Hampstead in London.
本文介绍了汉斯·弗劳登塔尔的基本数学教育思想，并简述了他进行数学教育研究的方法。
In this paper, we introduce Hans Frendenthal's basic mathematical education thought, and discuss method that he study mathematical education.
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