求翻译：我最喜爱的老师是我小学的英语老师，她姓徐，她非常漂亮，黑色的直发，她说英语说得很好，她很喜欢学生，也很关心学生，她喜欢打网球，喜欢运动，她21岁，很年轻，我们同学都很喜欢她。是什么意思？

My favorite is my primary school English teacher, her surname Xu, she is very beautiful, straight black hair, she speaks English very well, she is very fond of students are very concerned about students, she likes to play tennis, like sports, she is 21 years old, very young, we students like her.