United States linguist (born in Russia) noted for his description of the universals of phonology (1896-1982)
同义词：Roman Jakobson??/??Roman Osipovich Jakobson
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。