More than a quarter of seven year-olds cannot add up properly.
7岁的孩子中1/4以上都不会正确地做加法运算。
《柯林斯高阶英汉双解学习词典》
He suggested a link between class size and test results of seven-year-olds.
他认为7岁大的学生的测试分数和班级的规模有关系。
《柯林斯高阶英汉双解学习词典》
Their range of leisurewear is aimed at fashion-conscious 13 to 25 year-olds.
他们的休闲服系列瞄准的是追求时髦的13到25岁青少年。
《柯林斯高阶英汉双解学习词典》
Up to two thirds of 14 to 16 year olds admit to buying drink illegally.
14到16岁的青少年中多达2/3的人承认非法买过酒。
《柯林斯高阶英汉双解学习词典》
It was a challenge, keeping ten boisterous seven-year-olds amused.
要逗着十个好动的七岁孩子玩真是一种挑战。
《牛津高阶英汉双解词典》
The UK has the highest birth rate among 15 to 19-year-olds in Western Europe.
在西欧，英国女性在15到19岁之间生育率最高。
《柯林斯高阶英汉双解学习词典》
A small but significant number of 11-year-olds are illiterate.
数量不多但仍有相当一部分11岁孩子是文盲。
《柯林斯高阶英汉双解学习词典》
In Scotland 16 and 17 year-olds do not need parental assent to get married.
苏格兰十六七 岁 的青年人不须父母许可就可结婚.
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目的了解深圳市0～7岁儿童视力、智力、听力、言语、精神、肢体等六类残疾流行现状。
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澳大利亚洪水来袭，两名19岁的青年竟然想到了用充气娃娃做逃生工具，不幸失败。
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