pseudonym
/ˈsju:dənɪm; ?@ ˈsu:dənɪm; `sudnˌɪm/ n
(also `nom de plume) person's name that is not his real name, esp one used by an author; pen-name 假名; 化名; （尤指）笔名
George Eliot was the pseudonym of Mary Ann Evans. 乔治?艾略特是玛丽?安?埃文斯的笔名.
She writes under a pseudonym. 她用笔名发表作品.