engaging

学生们积极参与课堂讨论。

The students are actively ___engaging in the class discussion.

她有一种迷人的微笑，让人忍不住想多聊几句。

She has an ___engaging smile that makes people want to talk more with her.

这部小说引人入胜，让读者从头到尾都兴奋不已。

The novel is so ___engaging that it keeps readers excited from start to finish.