从 名字,长相,性格,爱好,评价等去介绍
如：Li Lei is one of my friends.He is thirteen years old.We are classmates and we often go to school together by bike.He is tall and thin with a pair of glasses.He is kind and warm-hearted.He can always get on well with others.He like all kinds of sports but football is his favorite.He works hard so he is one of the top students in our class.He is so friendly and generous that we all like him very much.