extinction

1. N-UNCOUNT The extinction of a species of animal or plant is the death of all its remaining living members. (物種的) 滅絕

An operation is beginning to try to save a species of crocodile from extinction. 一項行動正在展開來拯救一個鱷魚種類使其免遭滅絕。

2. N-UNCOUNT If someone refers to the extinction of a way of life or type of activity, they mean that the way of life or activity stops existing. (生活方式、活動的) 消亡

The loggers say their jobs are faced with extinction because of declining timber sales. 樵夫們說他們的工作因不斷下降的木材銷售而麪臨消亡。