杜五岁时就开始参加一所大学的公共活动和研讨会，因此她学会了建造遥控潜水器所需的技能。
Du started attending public events and workshops at a university when she was five years old, and so she picked up the engineering skills necessary to build her ROV.
17名平民受了伤，其中大多数是参加一个21岁生日聚会的学生。
Seventeen civilians were hurt. Most are students who had been attending a twenty-first birthday party.
这次比赛只允许23岁以下的选手参加。
The tournament is restricted to players under the age of 23.
这项比赛让18岁以下的青少年参加。
The competition is open to young people under the age of 18.
她邀请了他参加她在新泽西举办的26岁生日聚会。
这些参加聚会的人中至少有一半不到15岁。
委员会将讨论是否将参加俱乐部的年龄限制放宽到16岁。
The committee will debate whether to lower the age of club membership to 16.
12岁以上的孩子可以参加滑雪或者为他们设计的其他活动。
Children above 12 are able to take part in skiing or other activities designed for them.
乔是个15岁的姑娘，中学的学习成绩一般，她参加了学校夏季网球和冬季的无板篮球活动。
Jo is a fifteen-year-old girl. She is average at her high school work and she is involved in school tennis in summer and netball in winter.
请来参加我十岁的生日聚餐。
我45岁的时候参加比赛，并击败了一个十几岁的足球运动员。
When I was 45 years old I raced—and beat—a teenage football player.
尽管她的父母参加了泰国公务员医疗受益方案的保险，但该方案只涵盖20岁以下的受扶养人。
Although her parents were insured by Thailand's Civil Servant Medical Benefit Scheme, this scheme only covers dependents up to the age of 20.
它向所有7岁到18岁的人开放，你可以在世界任何地方参加。
It is open to anyone from age 7 up to age 18, and you can take part in wherever you are in the world.
简在八岁时参加了一个冬令营。
比尔想邀请一些朋友来参加他九岁的生日聚会。
Bill wants to invite some friends to his ninth birthday party.
数百人参加了袁先生的90岁生日庆祝活动。
Hundreds of people attended Yuan's 90th birthday celebration.
山姆和朋友鲍勃都是5岁。他们参加了一个绘画比赛。
Sam and his friend Bob, both 5, entered a painting competition.
20岁的萨姆与他的弟弟卢克一起参加了9场比赛。
Sam, aged 20, finished nine races with his younger brother Luke.
瑞秋12岁时，琼邀请了几个青少年和她一起参加著名的多伦多时装周。
When Rachel was 12, Joan invited a few teenagers to join her at the famous Toronto Fashion Week.
我们的地球夏令营为期四周，是一个有趣且有教育意义的夏令营，适合6至15岁儿童参加。
Our four-week Earth Camp is a fun and educational summer camp for children aged 6 to 15.
更糟糕的是，研究发现女孩们是按照这个信念行事的：六岁左右，她们开始避免参加那些据说是为“非常、非常聪明”的孩子准备的活动。
Even worse, the study found that girls act on that belief: Around age six they start to avoid activities said to be for children who are "really, really smart".
她是一个有目标的29岁的精算师，很少微笑，爱参加聚会胜过做任何事。
She's a purposeful, 29-year-old actuary who rarely smiles but loves nothing better than a party.
艾迪16岁了，他决定离开家去参加一个剧团。 他的爸爸非常震惊。
At the age of 16,Eddie decided to leave home and join a theater compang.His father was appalled.
如果您有12岁或12岁以下的孩子，我们诚恳邀请您参加这项调查。
If you're the parent of a child 12 and under, then we invite you to participate in the survey by clicking here.
那些20岁的女性现在比她们的美国姐妹们更有可能参加工作。
Those in their 20s are now more likely to work than their American sisters.
研究人员测量5岁和至10岁的参加者的智商，然后在他们16岁到30岁期间进行跟进调查，询问他们有关心理困扰的症状和药物使用情况，这是调查的重要的一部分。
Researchers measured the participants IQs at ages 5 and 10, then followed up with them at ages 16 and 30, asking about symptoms of psychological distress and drug use as part of a larger survey.
15岁时我们参加了人生第一次正式的宴会，我喝醉了。
At 15 we went to our first proper house party, and I got drunk.
1951年，我17岁的时候，我在拉塞尔参加了堪萨斯州的国家护卫队。
I joined the Kansas National Guard in Russell in 1951 at the young age of 17.
我17岁生日时候参加了美国海军，经过了我妈妈的允许。
On my (17th) birthday, I enlisted in the U.S. Navy, with my mother's permission.
任何16岁以下的人都可以参加这场奖品的争夺。
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