上学go to school; begin primary school
中学生high-school/middle-school student
人human being; an adult human being
兄elder brother; elder male relative of the same generation
哥哥elder brother; elder male relative of the same generation
嘴mouth; something like a mouth
嘴巴mouth; area around the mouth
在exist; join or belong to an organization
外outside; of one's mother, sisters or daughters
大学university; The Great Learning
大学生college or university student
奶奶grandmother; respectful form of address for an elderly woman
她her; reference to something beloved, such as one's motherland and national flag
姐妹elder sister and younger sister; elder sister and younger sister
姐姐elder sister; girl or woman who is of the same generation but older in age
小学elementary school; philological studies
小学生primary pupil; small/little boy
美国the United States of America
巴suffixes of word which is attached to certain words to form a disyllabic noun