Menstruation (a period) is a major stage of puberty in girls; it's one of the many physical signs that a girl is turning into a woman.

月经（例假）的来到是女孩青春期中经历的一个重要阶段；它是女孩变为女人的众多生理变化之一。

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The underlying characteristics of the real-time Web, however, are defining the next major stage of the Internet and will spread throughout its infrastructure in years to come.

但是即时网络的基本特征将在未来几年定义互联网的下一个大时代。

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Per capita public green area of 7 square metres, green cover 30.02% zone, urban greening, presence and beautification of a major stage.

人均公共绿地面积达7平方米，建成区绿化覆盖率30.02%，城市的绿化、亮化、美化上了一大台阶。

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The S&P 500 is 500 companies, who are major companies, so these tend to be mature companies and they tend to be in the dividend-paying stage.

标准普尔500指数包括500家大公司,这些一般都是成熟期的公司,他们一般都处于需要支付股利的阶段

耶鲁公开课 - 金融市场课程节选

The Nobel laureate last made a public appearance on a major stage when South Africa hosted the 2010 World Cup soccer tournament.

NPR: South Africa: Mandela In Hospital For Tests

It is Fry's first major stage role for 17 years.

BBC: Stephen Fry praised for return to West End stage

Shrugging aside his disappointment, Contador showed his class by winning both the Tour of Spain and Giro d'Italia, joining a select band of riders to win all three major stage races.

CNN: 'Nervous' Armstrong eyes eighth Tour success