This exploitation has reached such extremes that presently it appears that some hundreds of thousands of species will be extinguished before the end of the century.
出自-2013年12月聽力原文
柯林斯高階英漢雙解學習詞典釋義
VERB
熄滅;撲滅
If you extinguish a fire or a light, you stop it burning or shining.