用英文介绍自己:您好，我叫xx我今年13岁，毕业于xx小学，我是一个活泼开朗的女孩，拥有一个幸福的家庭...

hello! My name is XXX. I'm a 13-year-old girl who gratuated from XXX primaryschool. I am burn with an outgoing personality, so I always treat my family and friends sincerely. When it comes to study, I am hard-working but a little careless. That's me, a unique girl. Thanks！

绝对用心写的，你可以和别人的比较下哈