Writing on important details

Character: My math teacher in senior three.
Appearance introduction:She is about 165 cm tall and slim. Her ears are a little big.She wears a pair of glasses and her eyes are not very big. She wears a mask every day.She always fixes her hair with a claw clip.
Character introduction：
She is a teacher I think is mysterious. Because she never takes off her mask. Even in hot summer, she lectures loudly, and sometimes are out of breath, so she won't take off her mask.

She is a strict and earnest teacher.We have to do all kinds of test questions every day, and she always corrects them before the next class. She will always analyze every problem carefully and let us learn every simple problem totally.Every time the exam results come out, she will find her students to analyze the problem.
She is an interesting teacher, which is exactly where she influenced me the most.
She always said something interesting in class, in a funny tone. This made us laugh, but she looked serious, which made us laugh more happily.

Once, because our math learning entered the general review stage, my math scores were not as good as before. She looked at me and said earnestly, "What happened at your family?"Her serious appearance makes me feel both interesting and warm.Although I just can't work out these problems.

In the epidemic stage at that time, we often had to do nucleic acid testing in class time. She always gave a "small reward" to the last person who came to the classroom because she was worried that we will procrastinate on purpose.It may be answering a question or telling the question she said before again. Although it may be a little difficult, we all regard it as a game.
She should be very tired. Sometimes, when we studied by ourselves, she would hold her face or ears with her hands and close her eyes. We think it's funny and cute, so we often use this picture as our avatar, including me.

Summary: Because of the teaching and companionship of such a math teacher in senior three, I like math more and more, even though I am not good at it.Such a warm and interesting high school experience, I think it will always affect my future and life.