A trademark for: filgrastim.
1990s; earliest use found in The Official Gazette. Perhaps from neu- + -po- (in -poiesis) + -gen; compare -ogen.
英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。