Ten year-olds are incredibly energetic.
10岁的孩子精力非常旺盛。
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。
A high proportion of five-year-olds have teeth in poor condition.
五岁儿童牙齿不健康的比例高。
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。
The state should move toward the goal of preschool for all 3- and 4-year-olds.
国家应朝着为所有三到四岁儿童开办学前学校的目标努力。
In the first study, three-year-olds watch two videos shown side by side.
在第一项研究中，三岁的孩子们观看了并排播放的两段视频。
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。
Verbal abilities of one year olds are, in fact, related to their memories for events one year later.
事实上，一岁大的孩子的语言能力与他们对一年后发生的事情的记忆有关。
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。
A quarter of 4-year-olds frequently wet the bed.
4岁的孩子中有1/4经常性尿床。
Snow Puppies is a ski school for 3 to 6-year-olds.
“雪小狗”是一所为3至6岁的儿童开办的滑雪学校。
Their imaginations are quite something for 2 yr. olds.
他们的想像力对于2岁的孩子而言真是了不起的东西。
More than a quarter of seven-year-olds cannot add properly.
超过1/4的7岁儿童不会正确地做加法。
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。
18-year-olds are sent reminders that they should register to vote.
给18岁的人派送了通知单，提醒他们应该登记投票。
He suggested a link between class size and test results of seven-year-olds.
他建议把7岁儿童的班级大小和考试结果相关联。
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。
Most 11-year-olds are not encouraged to develop reading skills; a small but significant number are illiterate.
大多数11岁的儿童没有被鼓励去培养阅读技能。有为数不多、但足以引起人们注意的数目的儿童是文盲。
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。
"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。
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。
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。
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。
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。
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？
Five to nine-year-olds are the most likely to put things in their ears.
5到9岁的孩子最有可能把东西塞进耳朵里。
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