1.
(formerly in England) an examination taken by 11 and 12 year old students to select suitable candidates for grammar school.
英国的一种从11、12岁学生中选拔生源的考试。
2.
A Nutritional Survey of 9～12 Years Old Students in the Private School in Shenzhen.
深圳市一所全日制民办学校9～12岁学生的营养状况调查
3.
INVESTIGATION OF NUTRITIONAL CONDITION AMONG SCHOOL CHILDREN AGED 10~12 IN THE URBIA AND THE SUBURBIA OF BENGBU
蚌埠市区和郊区两所小学10～12岁学生营养状况比较
4.
intermediate school
[英]12岁至14岁学生上学的中间学校
5.
Age 10 to 12 were found to be critical years in the smoking onset process.
年龄阶段10~12岁为中学生开始吸烟的主要阶段。
6.
The survey on the nutrition and health status of primary and secondary school students aged 7-12 in Tangshan city;
唐山市1762名7-12岁小学生营养及体质状况调查
7.
Analysis on status of nutrition and influencing factors among students aged 12～14 in Zhenjiang;
镇江市12～14岁学生营养状况及其影响因素分析
8.
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。
9.
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。
10.
Epidemiological Study on Overweight, Obesity and Underweight among Students Aged 12-14 Years in Urban Chenzhou, Hunan Province
郴州市城区12-14岁学生超重、肥胖和低体重的流行病学研究
11.
"I used to sniff when I was 12, I used to smoke, drink, but I stopped them."
学生纳蒂?维克：「我12岁的时候会吸毒，我抽菸和喝酒，但已经戒了。」
12.
Epidemiological Study on 15 381 Children Aged Aged 0 to 12 with Birth Defect in Daxinganling Region
大兴安岭地区15381例0～12岁儿童出生缺陷流行病学研究
13.
A Research on the Status and Characters of Biology of the 9-12 Years Old Badminton Reserve Talents;
国家羽毛球9-12岁后备人才的生物学现况与特征研究
14.
Study on Pulmonary Functions and the Related Factors among Pupils in Hefei;
合肥市6-12岁健康小学生肺功能正常值及其相关因素的研究
15.
A survey on vitamin B_(12) nutritional status of children at the age of 2 to 7 years in 4 cities in China
中国4城市2～7岁分析人群维生素B_(12)营养状况流行病学调查
16.
If we could stay as vigorous as we are at twelve,
假如我们能保持12岁时的旺盛生命力，
17.
Temperament and Self-esteem of Children Aged 8~12;
8~12岁学龄儿童气质及自尊水平研究
18.
Epidemiologic investigation of sleep disorders in the children of 2～12 years
2～12岁儿童睡眠障碍流行病学调查