One expression is very hot. What do you mean?

One expression is very spicy, but it is too hot. Expression pack refers to a way to express feelings with pictures. Emoji pack is a popular culture formed after social software is active. Emoji packages are very popular on the internet, and almost everyone will send them. With the continuous development of social networks, people's communication methods have become more and more colorful from simple words, including facial expressions and Martian expressions, and gradually evolved into diverse expression cultures.