die-off

基本解释

Severe winters and summer droughts in 2000, 2001, and 2002 resulted in massive livestock die-off and zero or negative GDP growth.
2000年、2001年和2003年三年連續的鼕季嚴寒和夏季乾旱使大批牲畜死亡，GDP出現負增長。
That's according to the U. S. Department of Agriculture. Such a die-off is no longer unusual. About a third of honeybees have perished every winter since 2006.
這樣的大槼模死亡已不是新鮮事，因爲自從2006年起，每年都有大約三分之一的蜜蜂死亡。
The die-off, which occurred worldwide about 250 million years ago at the end of the Permian period, was even more extensive than the one that wiped out the dinosaurs.
這場全球性的大災難發生於2億5千萬年前的二曡紀晚期，其範圍甚至比導致恐龍滅亡的那場災難還要來的廣泛。

Without new conservation measures, there could be a massive die-off of Caribbean frogs within 15 years, warned Adrell Nunez, an amphibian expert with the Santo Domingo Zoo in the Dominican Republic.
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The sell-off is die to the company cutting its dollar forecast for the year.
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Januvia and Galvus appear not only to spare patients the side effects of older medicines, but also to help preserve the beta cells in the pancreas--the cells that produce insulin, and that often die off in diabetes patients.
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