conservationist
n.
1870, from conservation + -ist. The ecological sense is from 1922.
| 词汇 | conservationist | 
| 词根词缀 | Online Etymology Dictionary conservationist n. 1870, from conservation + -ist. The ecological sense is from 1922. | 
| 随便看 | 
英语词根词缀词典收录了54763条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。