英语小作文“我的家庭成员”

My name is Li Hua. I am from a worker＇s family. There are six people in my family. They are my grandfather, my grandmother, my father, my mother, my sister and I.
Every member in my family works for his or her own trade. My grandfather and grandmother are peasants. They do farm work every day in my hometown. My father is a senior engineer. He is now working in Africa, helping to build a power station. My mother is a teacher. She teaches English in a middle school. My sister, five years older than I, is a doctor in the People＇s Hospital of our county. She loves her work and does it well. I am a middle school student. And I am going to take this year＇s college entrance examination. I wish that I could be enrolled by a famous university.
That is my family. All the members in my family live in harmony. We love each other devotedly.

这个短文什么意思呀