# 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