There's a mix of ages too.

他们的年龄也各有不同。

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On the verge of the hour the heads of a group of children, of ages ranging from six to fourteen, rose above the stubbly convexity of the hill.

快到十一点的时候，一群年龄从六岁到十四岁的小孩子，从山坡上一块满是残茬的高地上露了出来。

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More than 2,000 people of a variety of ages were surveyed for the study, which was carried out last month by Relate and the broadband company TalkTalk.

Relate慈善机构和宽带公司TalkTalk上个月联合开展了这一调查。该调查涵盖了2000多名不同年龄段的人。

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Forty-four point four percent of all children between the ages of ten and seventeen years were obese or overweight.

VOA: special.2009.07.21

This is one of the reasons why in the golden age of Arabic scholarship in the Middle Ages, there was so much dispute about the Poetics.

这就是为什么在,中世纪阿拉伯学术界的鼎盛时期，关于诗学有这么多争议。

耶鲁公开课 - 文学理论导论课程节选

And his discoveries that-- they did them in different ways at different ages led to the emergence of the Stage Theory.

他发现,儿童在不同的年龄拥有不同的行为方式,他根据这一发现提出了阶段理论

耶鲁公开课 - 心理学导论课程节选

The farm also hosts educational activities for a range of ages, including school groups.

FORBES: Magazine Article

They are also looking at different types of AGEs to see which cause the problem.

BBC: Diabetes drugs 'help people look younger'

So I'll be looking for a good range of ages, genders and countries if I can get them.

BBC: Facebook profile photo experiment goes live