express class

例句：

1. 1. She expressed her gratitude with a warmsmile.
   她用温暖的微笑表达了她的感激之情。
2. 2. The artist expressed his feelings through hispainting.
   这位艺术家通过他的画作表达了他的感情。
3. 3. The teacher expressed concern for the students' safety during the storm.
   老师对学生们在暴风雨中的安全表示了担忧。