N-UNCOUNT

（物種的）滅絕

例句

N-UNCOUNT

消亡;消滅;不復(fù)存在

例句

n.

（植物、動物、生活方式等的）滅絕,絕種,熄滅,消滅,廢除

Noun

1. no longer in existence;

2. no longer active; extinguished;

3. the reduction of the intensity of radiation as a consequence of absorption and radiation

4. complete annihilation;

5. a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus

6. the act of extinguishing; causing to stop burning;