1.
Marie Claire, age 12
玛丽?克莱尔，12岁
2.
Suitble for 12 years and over.
适合12岁或者12岁以上的孩子观看。
3.
Although his formal education came to an early end, he became the most famous writer of America.
马克?吐温上学到12岁。
4.
intermediate school
[英]12岁至14岁学生上学的中间学校
5.
Some sheep live to be eleven and twelve years old.
而有些羊能活到11岁或12岁。
6.
at the age of 12, he learned carpentry and then wood carving to help support his family when he was 15.
12岁学木匠，15岁学雕花木工，挣钱养家。
7.
Booking Clerk: I'm afraid you'll have to pay for a full-price ticket. Only children12 and younger can get tickets at the reduced rates.
售票员:那恐怕您得买全票喔。只有12岁以下（12岁）儿童可以买优惠票。
8.
For adults, $ 10.00. Children under 12 go for half-price and children under three are free.
成人10美元，12岁以下的半价，3岁以下的免费。
9.
Children under 12 and passengers aged 65 or above enjoy concessionary fares on all routes.
12岁以下小童和年满65岁长者享有票价优惠。
10.
he was twelve years old, and he had been at the orphanage since he was four.
他叫杰里，12岁了，从4岁起就呆在孤儿院。
11.
The Relations between Choice Time and Intelligence of Children;
9岁至12岁儿童的选择反应时与智力的关系
12.
Prevalence of tooth erosion of 5-year-old and 12-year-old children in Xuzhou city
徐州市5岁和12岁儿童酸蚀症调查研究
13.
When she was 12, she was cast in Starlight Roof.
12岁时她在 “屋顶星光”一片中担任角色。
14.
It is just a nickname I've had ever since I was12 years old.
这个昵称我从12岁便开始使用了。
15.
a player between 8 and 12 years of age who is a member of a little-league team.
年龄在8到12岁盟队成员。
16.
He is12 years old, skinny, wears glasses, and tends to worry a lot.
他12岁，瘦削，戴副眼镜而且常常发愁。
17.
Adults are80 yuan, children under12 are half price.
成人票80元，12岁以下儿童半价。
18.
Children under 12 half price throughout season
全季12岁以下的儿童半价