Killing mechanism: atmospheric dimming, acid rain, crop die-off.
杀伤机制：大气能见度降低、酸雨、作物死亡。
The die-off was surpassed only by the gargantuan Permian extinction 250 million years ago.
只有2亿5000万年前史上空前的二叠纪大灭绝盖过这次灭绝。
Bird and fish die-off from methane have shown these species are highly sensitive to methane poisoning.
鸟类和鱼类由于甲烷导致的大量死亡显示了这些物种对甲烷毒气的高度敏感。
In a typical year, a beekeeper may lose up to a third of bees from extreme weather conditions, so some die-off is normal.
在情况比较严重的年份，因为恶略的天气条件，一个养蜂人可能会失去多达1/3的蜜蜂。所以蜂房的锐减就很正常了。
Even though experts this year gave what's happening a new name and think this is a new type of die-off, it may have happened before.
尽管今年专家们对正在发生的事情起了一个新名字，并认为是新的一种…，但那可能在以前已经出现过。
Near the spill site, researchers have documented a massive die-off of pyrosomes — cucumber-shaped, gelatinous organisms fed on by endangered sea turtles.
在靠近泄漏点的地方研究者发现大量的虫类死亡——有黄瓜状的、凝胶状的生物组织，而这些是海龟的主要食物，这直接威胁到了海龟的生存。
The worst die-off has occurred in south-east Asia, where hunting, dam building and the conversion of forest to palm oil plantations and paddy fields has been most dramatic.
物种消失最严重的地方在东南亚，当地捕猎、建设大坝、毁掉森林建造棕榈油种植园、开发稻田等行为对生态环境的影响最大。
Scientists have theorized that Toba triggered plunging global temperatures that caused ice sheets to grow for a thousand years and led to a mass die-off of plants and animals.
科学家已经对Toba引发的现象理论化，现象包括它使全球温度降低至使冰盾增长数千年以及导致大规模的植物和动物死亡。
The largest, oldest trees would progressively die off and tend not to be replaced.
最大、最老的树会逐渐死去，并且往往不会被取代。
Why did the fishes in the pond die off?
为什么池塘里的鱼都死了？
Contraction of front and side parts as cells die off was observed in some subjects in their thirties, but it was still not evident in some sixty and seventy-year-olds.
随着细胞的死亡，有些人大脑前部和侧部的收缩，在三十多岁时就能观察到，但是也有些人直到六七十岁依然不明显。
Flowers fall off [will die], do what one may. Swallows return, no strangers they.
无可奈何花落去, 似曾相识燕归来。
The effect is somewhat temporary. After a couple of months, the new cells start acting like the older cells, although they do not die off.
然而效果是暂时的，几个月后，新的细胞开始表现得和旧的细胞一样，虽然这些细胞没有并死亡。
Higher temperatures may also increase the risk of pests and parasites, because fewer will die off during the winter.
较高的气温也会增加生害虫和寄生虫的危险，因为冬季虫子死的更少。
Many will die off with the first frost whilst others hibernate until the following spring.
很多会在初霜之时死去，其他的则会蛰伏到来年春天。
Initial findings indicate poultry die off in the vicinity of the case's home in the week prior to the onset of illness.
初步结论表明在该病例发病前一周内，其住所附近有禽类死亡。
If its stem cells are eradicated, the rest of a tumour may die off.
如果癌症的干细胞被消灭了，其他的肿瘤组织或许会死掉。
For some reason, people occasionally predict the same outcome from giving away software: Everyone will use the free software, but no one will contribute, and it'll die off from bitrot.
出于某些原因，人们有时会预测出关于白送软件的一个共同结果：所有人都使用自由软件，但是没有人会贡献，而最终它将消失。
Federal employees' job security is so great that workers in many agencies are more likely to die of natural causes than get laid off or fired, a USA TODAY analysis finds.
《今日美国》的一项调查发现，联邦雇员的工作保障率如此之高，以至于在许多机构，员工被解雇的几率比自然死亡的几率还低。
Humanity undergoes changes, albeit small, with every generation: If a trait is beneficial it will live on, while deleterious ones slowly die off. Here are some superhuman traits that have persevered.
人类经历着变化，尽管微小，却一代接这一代不停止：如果某一特征有益，则将继续存在，而有害的倾向则消亡。
One of these is that they are believed to have a small population of stem cells which keep them going when other cells die or are killed off.
其中一个方面就是，人们认为肿瘤内也有一定数量的干细胞，这些干细胞使得肿瘤能够在其他细胞死亡或被消灭的情况下还能继续生长。
Keratinocytes form several layers that constantly grow outwards as the exterior cells die and flake off.
角化细胞形成多层细胞层随着最外层的细胞死亡消失不断往外生长。
Most non-top SKU GPUs are simply top SKU die with features turned off, and if you look at the success of people unlocking that, you will see that it is far more than salvage.
大多数非顶级GPU都是由顶级GPU屏蔽某些功能而来，而当你看到人们破解了那些屏蔽之后快乐的心情，你就会明白这种市场行为到底有多么强劲了。
Without the gel, scientists say, the bacteria die off.
科学家说，如果没有这种凝胶，细菌将无法存活。
Wild sarsaparilla, wild oats, Solomon's seal and a host of understory plants die off; grass-like species such as Pennsylvania sedge take over.
野生撒尔沙、野生燕麦、玉竹和大量的林下叶层植物相继死光；宾夕法尼亚莎草之类的草类物种接管了领地。
It takes a change in external conditions to finish them off. But annuals die soon after seeding.
但外界环境一旦有变，它们的寿命就会结束。
By then, Japan's population will have shrunk by around 20 million people, an unprecedented die off for a nation neither at war or blighted by famine.
到那时日本人口将缩减至2000万人，对于一个期间既没有经历战争也没有遭遇饥荒的国家来说，这种人口缩减是史无前例的。
Many of the larger animals that were hunted by the early Indians began to die off with the end of the ice age.
随着冰河时期末期到来，印第安人捕杀的许多大型动物开始绝种。
Many of the larger animals that were hunted by the early Indians began to die off with the end of the ice age.
随着冰河时期末期到来，印第安人捕杀的许多大型动物开始绝种。
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