Ten year-olds are incredibly energetic.
10岁的孩子精力非常旺盛。
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。
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。
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。
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。
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。
Two-year-olds find this difficult.
两岁大的儿童会觉得这个任务很难
They are thirteen - year - olds.
他们是十三岁的少年。
Eighteen year olds qualify to vote.
年满十八岁者有选举权。
Five-year-olds need to play and color.
五岁大的孩子需要玩耍和画画。
Our target customers are the 25-35 year olds.
我们的目标消费群在25 - 35岁之间。
In severe heat, three 17 year olds scored.
在强烈的高温下，三个17岁的球员进球了。
You show this to three- and four-year-olds.
你把这个呈现给三四岁的儿童
For a bunch of 8 and 9 year-olds, it's a tough climb.
对一群八九岁的孩子来说，这是一场艰难的攀爬。
The six year olds practiced writing the letter c.
这个六岁的孩子反复练习写字母c。
It's at least twice that for 18 - to 24-year-olds.
对于18岁到24岁的人来说，失业率还要翻一番。
The key “saving age” is the cohort of 35-54 year-olds.
“存钱的年龄”基本上都是35-54年龄段人群。
Why the number of teetotaling 18-year-olds is up isn't clear.
导致超过18岁而滴酒不沾的年轻人数量增加的原因尚不明确。
We think it might be just right for ten- to twelve-year-olds.
我们想它或许对十岁到十二岁大的孩子正合适。
Today’s 60-year-olds are like the 40-year-olds of a century ago.
现在的60岁就相当于一个世纪前的40岁。
Only half of 18 - to 24-year-olds said they were certain to vote.
18到24岁的人只有一半表示确定会去投票。
Today, all three 18-year-olds are in their first year of college.
今天，这三个已满十八岁的青年已进入大学一年级学习。
Today, all three 18-year-olds are in their first year of college.
今天，这三个已满十八岁的青年已进入大学一年级学习。
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