# precursor ##### 词义 - 英:/priˈkɜːsə(r)/; 美:/priˈkɜːrsər/ - #词性/n 前身;先驱;先锋 ##### 例句 - Real tennis , an ancient precursor of the modern game , originated in the eleventh century - 室内网球,现代网球运动的古老前身,起源于11世纪。 - Analysis of Coke Precursor on Catalyst Used in Bio-oil Catalytic Cracking Upgrading - 生物质油催化裂解精制中催化剂上焦炭前身物的分析 - He said that the deal should not be seen as a precursor to a merger . - 他说该笔交易不应该被看作是合并的前兆。 ##### 形态 - #形态/word_pl precursors