The teachers say the tests for 14-year-olds are misconceived.
老师们说这些测试不适合14岁的孩子。
Up to two thirds of 14 to 16 year olds admit to buying alcohol illegally.
14至16岁的少年中有多达2/3的少年承认非法买过酒。
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关注时尚的13到25岁的人群。
Telling such stories to two year olds does not seem to produce long-lasting verbalizable memories.
给两岁的孩子讲这些故事似乎并不能使他们形成可以用语言表达的持久性记忆。
Finland provides three years of maternity leave and subsidized day care to parents, and preschool for all five-year-olds.
芬兰为父母提供3年的产假和日托补贴，并为所有5岁儿童提供学前教育。
Contraction of front and side parts as cells die off was observed in some subjects in their thirties, but it was still not evident in some sixty and seventy-year-olds.
随着细胞的死亡，有些人大脑前部和侧部的收缩，在三十多岁时就能观察到，但是也有些人直到六七十岁依然不明显。
Eighteen percent of 30-year-olds claim they are workaholics.
18％的30岁的人声称他们是工作狂。
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。
Their work shows that one-year-olds are much more likely to have allergies if either parent smokes.
他们的研究显示，如果父母任何一方吸烟，1岁的婴儿更有可能患过敏。
What does David Lancy say about 18-month-olds?
大卫·兰西是怎么评价18个月大的婴儿的？
"Six-year-olds have to play with their friends," says Dr. Brian Wood.
“六岁的孩子必须和他们的朋友一起玩。”布赖恩·伍德博士说。
I really don't think sixteen-year-olds should be allowed to work at night.
我真的认为不应该允许16岁的孩子在晚上工作。
The report recommends that more resources be devoted to teaching four-year-olds.
该报告建议投入更多的资源用于4岁儿童的教育。
The seven-to-nine-year-olds thought parents would be angry with their confessions.
七到九岁的孩子认为父母会对他们的坦白感到愤怒。
In 1972, Professor Walter Mischel tested the willpower of 600 four-year-olds to six-year-olds.
1972年，沃尔特·米歇尔教授测试了600名4岁至6岁儿童的意志力。
Not long ago, researches learned that four-day olds could understand addition and subtraction.
不久前，研究人员发现4天大的婴儿能够理解加减法。
As for us, fifteen-year-olds, who are finishing middle school, we're no longer younger children.
至于我们，我们是15岁的初中毕业生，不再是小孩子了。
A global study looked at the average height of 18-year-olds in 200 countries between 1914 and 2014.
一项全球研究调查了1914年至2014年间200个国家的18岁青年的平均身高。
Maria Droujkova is a founder of Natural Math, and has taught basic calculus concepts to 5-year-olds.
玛丽亚·德鲁伊科娃是“自然数学”的创始人之一，她曾向5岁的儿童教授基础微积分概念。
A study of 12- to 19-month-olds learning how to walk documented that these children fell down a lot.
一项对12至19个月大的孩子学习走路的研究记录显示，这些孩子经常摔倒。
It suggests the children remember the researcher they've met just one time when they were only one-year-olds.
这表明，孩子们还记得他们只有一岁时仅见过一面的研究人员。
This mood switch made no difference to the three-month-olds; but for the nine-month-olds, it was enough to renew their interest.
这种情绪变化对三个月大的婴儿没有影响；但对9个月大的婴儿来说，这就足以重新引起他们的兴趣。
These days, it is not unusual for 10-to 12-year-olds to publish their own websites or for second and third graders to begin computer classes.
如今，10到12岁的孩子发布自己的网站，二、三年级的学生开始上计算机课，已经不是什么新鲜事了。
While height increased in Uganda and Niger during the early 20th century, the trend has reversed in recent years, with height decreasing among 18-year-olds.
尽管20世纪初乌干达和尼日尔人的身高有所增加，最近几年这一趋势发生了逆转，18岁的人身高有所下降。
It is believed that the road to a "good" college begins as early as preschool, and even four-year-olds are required to read and memorize new words every day.
人们认为，通往“好”大学的道路早在幼儿园就开始了，甚至4岁的孩子也需要每天阅读和记忆新单词。
Research shows that given 15 minutes of free play, four- and five-year-olds will spend a third of this time engaged in spatial, mathematical, and architectural activities.
研究表明，如果给定15分钟的自由玩耍时间，四到五岁的孩子会将其中三分之一的时间花在有关空间、数学和建筑的活动上。
It is said that about 20% of 25- to 34-year-olds live with their parents, compared with 16% in 1991. The total number of all multigenerational households in Britain is thought to be about 1.8 million.
据说，25岁至34岁的人群中，大约20%的人和父母住在一起，而1991年这一比例为16%。据估计，英国多代同堂的家庭总数约为180万户。
We're both 30-year-olds who like computers.
我们都三十岁，又都喜欢电脑。
Six-year-olds laugh an average of 300 times a day.
六十岁的人每天平均笑300次。
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