Extinction
来自我不喜欢考试-知识库
GRE TOEFL
目录 |
[编辑] 解释
[编辑] GRE 红宝书
- n.熄灭;消灭
- ［英］ n.熄灭 ( putting out a fire) ; 消灭 ( annihilation; abolition)
- ［类］ 反义词: perpetuation ( 不朽)
- ［例］ extinct animals / the extinction of his hopes
[编辑] Webster Collegiate
noun
- Date: 15th century
- 1. the act of making extinct or causing to be extinguished
- 2. the condition or fact of being extinct or extinguished; also the process of becoming extinct <extinction of a species>
- 3. the process of eliminating or reducing a conditioned response by not reinforcing it
