KEY: Productive.SYN: Fruitful, prolific, fertile, efficient, causative.ANT: Unfruitful, barren, sterile, unproductive, inefficient, effete.
英语同义词词典收录了7932条英语词条,基本涵盖了全部常用同义词或反义词的辨析及翻译,是英语学习的有利工具。