译文：I am a college student majoring in applied statistics.
statistics，名词，意思是统计学。
例句：There was no statistical difference in total amount of contrast medium.
译文：两组造影剂的用量无统计学差异。
college student,名词，意思是大学生。
例句：He is an outdoor college student.
译文：他是一名爱好野外活动的大学生。
major
1、名词，人名梅杰。
2、形容词，重要的；重大的；大音阶的；大的；年长的。
例句：In most major cities, young single women now out-earn men by about 8%.
译文：在大多数主要的大城市中，现在，年轻的单身女性的薪水要要比男性高出8%。
3、名词，陆军少校；空军少校；大调；大音程；大音阶；主要世界性组织；主修科目；主修课程；大项；大前提。
例句：A general officer ranking above a major general and below a full general.
译文：一个军衔位于少将之上和大将之下的将官。
4、动词，主修。
例句：A long-legged math major in back raised his hand. “That's the number PHI.”
译文：一个坐在后排的数学系长腿学生举起手：“那是PHI值。”
I am a college student majoring in applied statistics.
重点词汇及范例：
1、应用统计学applied statistics
例：应用统计学模型研究了影响冰淇淋膨胀率的质构因素。
Statistical model was used to study the texture factors affecting the expansion rate of ice cream.
2、专业specialized subject; special field of study; speciality; discipline
例：她毕业于曼彻斯特大学的英语和戏剧专业。
She graduated in English and Drama from Manchester University.
3、大学生university student; college student
例：密歇根大学获得了1933年全国大学生橄榄球赛的冠军。
The 1933 national collegiate football championship was won by Michigan.
句子解释：
college student
英[ˈkɔlidʒ ˈstju:dənt] 美[ˈkɑlɪdʒ ˈstudnt]
[词典] 大学生;
[例句]He had the appearance of a college student
他的模样就像个大学生。
applied statistics
英[əˈplaɪd stəˈtistiks] 美[əˈplaɪd stəˈtɪstɪks]
[词典] 应用统计;
[例句]Mathematics: General and Applied, Applied Statistics, Education.
数学：应用数学，应用统计，数学教育。