expressive：表示的，表现的，富于表情的  

词根词缀：ex-出 + -press-压 + -ive形容词词尾

• toy
• toy boy
• tra-
• trace
• traceable
• tracer
• tracery
• trachea
• tracheotomy
• trachoma
• tracing
• track
• track and field
• tracker
• tracksuit
• tract
• tractable
• traction
• tractor
• tractor-trailer
• tradable
• trade
• trade fair
• trademark
• trade wind