If you describe a person or their behaviour as expressive, you mean that their behaviour clearly indicates their feelings or intentions.
例句
You can train people to be more expressive.可以训练人们使其更具表现力。...her small, usually expressive face.她那张通常表情丰富的小脸
ADJ-GRADED
表达…的;表现…的
If something is expressive of particular ideas or qualities, it has features which indicate or demonstrate them.
例句
Perhaps all his poems were really love poems, expressive of love for someone...也许他所有的诗歌其实都是爱情诗，表现了对某个人的爱。Its history is expressive of the character and development of the people who possess it.它的历史体现了其拥有者的性格特征和发展过程。