Scientists believe that over the past century, we have allowed more than half of the world's food varieties to disappear.
科学家们认为，在过去的一个世纪里，我们已经让世界上超过一半的食物种类消失了。
Without a system which ensures collaborative exchanges within the company, it's also easy for small "pockets of innovation" to disappear.
如果公司没有一个确保内部合作交流的体制，小的创新点就很容易消失。
Imagine that an alien species landed on Earth and, through their mere presence, those aliens caused our art to vanish, our music to homogenize, and our technological know-how to disappear.
想象一下，外星物种登陆地球，而他们的存在会让我们的艺术消逝，同化我们的音乐，也让我们的技术知识消失了。
Mist was rising, and trees and shrubs began to disappear in a milk-white haze.
薄雾正在升起，树木和灌木丛开始消失在一片乳白色的雾霭之中。
Once the drink is gone, the straw will take centuries to disappear.
一旦饮料喝完了，吸管需要几个世纪才能消失。
Some rainforests are likely to disappear if we don't take action to protect them.
如果我们不采取行动进行保护，部分热带雨林可能会消失。
The sense of belonging to a community tends to disappear when you live fifteen floors up.
当你住在15层以上的楼层时，对社区的归属感就会消失。
If such practices are unchecked, half the species in the Coral triangle will continue to disappear at a rate of 1-2% a year.
如果这些行为不加以制止，那么珊瑚三角区内一半的物种将以每年1-2％的速度继续消亡。
There has been a crisis of identity as the traditional skills of hunting, trapping and preparing skins have begun to disappear.
狩猎、设陷阱和制革等传统技艺开始消失时，身份危机问题随之出现。
By the 1990's, less than half of the earth's original rain forests remained, and they continued to disappear at an alarming rate every year.
到20世纪90年代，地球上原有的雨林只剩下不到一半，而且它们每年都继续以惊人的速度消失。
Indeed, Australia has been drying out for over a million years, and the megatauna were faced with a continent where vegetation began to disappear.
其实，澳大利亚已经干燥一百多年了，巨型金枪鱼所面临的大陆植被开始消失。
Afterwards he found a sunspot group which lived long enough to disappear from view on the western limb of the sun, to reappear on its eastern limb, and finally to regain its old position.
后来，他发现了一个太阳黑子群，它存在时间很长，从太阳的西边消失，又在东边出现，最后又回到原来的位置。
The hedge seemed to disappear before him.
荆棘看上去在他面前消失了。
In fact, the famed glaciers are predicted to disappear by 2050.
事实上，这些著名的冰川预计到2050年就会消失。
So, in the short term at least, WML and HDML aren't going to disappear.
因此，至少在短期内，WML和 HDML将不会消失。
So have seasonal fluctuations. Jobs used to disappear when the snow fell.
因此有着季节性的波动。当雪天来临时，就业机会就会消失。
Such registers ensure embarrassing results cannot be made to disappear.
这种登记确保了令人难堪的结果不会被人为抹去。
There were no other reported cases, and the disease seemed to disappear.
可是，此后就没有其他的有关病例的报道，好像这种疾病不再出现了。
France's PSA Peugeot Citroen, though unwieldy, is not about to disappear either.
法国的标致-雪铁龙集团尽管不景气，但也未到即将销声匿迹的地步。
Of all the 11 big volume carmakers, Chrysler is the most likely to disappear this year.
在所有的11家大型汽车制造商当中，克莱斯勒公司最有可能在今年消失。
So, the half-life is just the time that it takes for half of the reactants to disappear.
半衰期实际上是,一半反应物消失的时间。
As he would drive toward the school, I would shrink down into the seat hoping to disappear.
在去学校的路上时，我在椅子上缩成一团，真想找个地缝钻进去。
Light yellow tends to disappear into white, so it usually needs a dark color to highlight it.
浅黄色有混同于白色的倾向，所以通常需要深色来凸显它。
But even anthologies of short stories and poems, like longer novels, are unlikely to disappear.
不过，那些可以视作集多篇故事和诗歌于一身的较长篇作品，比如小说，也并不会就此消失。
The yellowish light that bathes him and all the rest slowly begins to disappear, then winks out.
笼罩着他和其他所有东西的昏黄的光慢慢地开始消失，然后没有了。
By 2005, only 27 remained, and those are expected to disappear completely by 2030, if not earlier.
到2005年，只有27个依然存在，预计到2030年它们会完全消失，也许更早。
These symptoms are usually confined to the first few days of treatment and then tend to disappear.
这些症状通常发生在治疗的最初几天，以后逐渐消失。
The more sophisticated a product or service is, the more its national identity tends to disappear.
一个产品或一项服务愈是高端，国家的概念愈是淡化。
The more sophisticated a product or service is, the more its national identity tends to disappear.
一个产品或一项服务愈是高端，国家的概念愈是淡化。
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