Fortunately, cancer of the breast in young women is uncommon.

幸运的是，年轻妇女患乳腺癌的情况不常见。

《柯林斯英汉双解大词典》

It peaks in young adulthood, levels out for a period of time, and then generally starts to slowly decline as we age.

它在青年时期达到顶峰，在一段时间内趋于平稳，然后普遍会开始随着年龄的增长而缓慢下降。

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A step change has taken place in young people's attitudes to their parents.

年轻人对父母的态度已发生了彻底的改变。

《柯林斯英汉双解大词典》

One of the United Nations Millennium Development Goals for two thousand fifteen is to reduce death rates in young children by two-thirds.

VOA: special.2009.10.19

How can we prevent problems like depression or substance abuse or schizophrenia in young people who are genetically vulnerable or who live in worlds ? that nurture these problems?

怎样才能预防像抑郁症这样的心理问题,或年轻人中常出现的药物滥用或精神分裂症,谁天生敏感脆弱，谁又是,制造这些问题的人？

哈佛公开课 - 幸福课课程节选

you know, sort of young children education programs in the United States catch up to nice countries, like Korea.

美国的一些儿童教育项目也在紧跟一些出色的国家的步伐，比如韩国。

优秀的MBA人们 - SpeakingMax英语口语达人

Measles is particularly dangerous in young infants but anyone can get the disease at any time.

BBC: Long shadow cast by MMR scare

In early-stage testing quinolones had caused liver and joint damage in young rats and dogs.

FORBES: Day of Reckoning

First, venture capital funds invest in young, entrepreneurial companies, frequently focusing on new technologies.

FORBES: Who's Afraid of Private Equity?