1·Third, growth was reflected in changes in the proportion of the relevant age group enrolled in institutions of higher education.
第三点，相关年龄组在高等教育机构就读比例的变化反映了增长。
2·The percentage of males increased with each age group.
每个年龄组的男性比例有所增加。
3·Teachers, though, see hundreds of children in the same age group, and they are well-equipped to determine the readiness of their students and provide appropriate curriculum.
但是，教师看到在同年龄组中的数百名儿童，他们已装备得很好，以确定他们学生的准备，并提供适当的课程。
4·But this virus can kill and does so in a comparatively young age group.
但这一病毒可以致命，而且确实在较年轻年龄组致人死命。
5·The higher a person ranked within his age group or neighborhood, the more status he had and the happier he was regardless of how much he made in dollars (or, in the study's case, pounds).
一个人在他的年龄组或邻里内排名越高，他就越有地位并越快乐，倒和他赚多少美元（或者像这个例子所说的，是英镑）没多大关系。
1·Last year, he was ranked second in his age group.
他去年在他的年龄段排名第二。
—— 《牛津词典》
2·The leading causes of death in this age group are also changing.
这个年龄段的主要死亡原因也在变化。
3·Evolutionarily speaking, people in this age group are at a stage in which they can prepare to find a mate and start their own family while separating from parents and striking out on their own.
从进化的角度来说，这个年龄段的人正处于这样一个阶段：他们可以在与父母分开、自谋生计的同时，为寻找伴侣和组建自己的家庭做准备。
4·Seniors take more medicines than any other age group because they have more health problems.
老年人比其他年龄段的人吃的药都要多，那是因为他们的健康问题更多。
5·Part of the problem here is that boomers don't think that these social networks are focused on their age group.
这一问题的部分原因是“婴儿潮”一代认为社交网络并不以他们这个年龄段为导向。