It has been estimated that an additional one-fourth of the Earth's land surface is threatened by this process.
据估计，地球表面另外四分之一的土地正面临沙漠化威胁。
Europe is threatened by an angry Russian bear.
欧洲被愤怒的俄罗斯熊所威胁。
And Baghdad of Iraq is threatened by flames of war.
还有伊拉克的巴格达，饱受战火威胁。
May: And Baghdad of Iraq is threatened by flames of war.
还有伊拉克的巴格达，饱受战火威胁。
The sugar industry is threatened by a cut in European subsidies.
制糖业由于欧洲减免补贴而受到威胁。
Few dare disobey; anyone who thinks of it is threatened by fellow Serbs.
几乎没有人会违反命令；任何想违背命令的人都会受到本地塞尔维亚人的威胁。
Objective: Now our mankind health is threatened by the malignant tumor.
目的：恶性肿瘤严重威胁着人类的健康和生命。
His family helps Bella when she is threatened by a more dangerous vampire.
当贝拉被一个更加危险的吸血鬼所威胁时，他的家庭帮助了她。
However, Botswana's diversification strategy is threatened by an energy crisis.
然而，博茨瓦纳的多元化战略受到了能源危机的影响。
For the first time, the territory of Oceania itself is threatened by invasion.
第一次，大洋国的版图遭到入侵的威胁。
2262 - Planets gradually changing planetary orbit. Mars is threatened by comets.
2262年，行星们逐渐转变了自己的旋转轨道，火星被彗星威胁。
The future of humanity is threatened by the use of weather modification techniques.
人类的未来由于“天气改变技术”的运用而受到威胁。
The security of software is threatened by piracy, tampering and reverse engineering.
对软件的盗版、篡改和逆向工程使软件的安全受到了严重威胁。
The area is threatened by Walmart's plans to construct a 240, 000 square-foot "big box" store.
目前，沃尔玛计划在当地修建一座占地240000平方英尺的“大盒子”商店，使这里的历史遗迹受到威胁。
Zhumei wants to persuade Laifu to stop working at the casino but she is threatened by Zhengchu.
珠美发现来富在地下赌场工作后想劝来富抽身，却被正初威胁。
At the mouth of the Thames, it is threatened by the rush of water when there is flooding inland.
在泰晤士河的河口，内陆的河水倾泄而来。
With the national credit crisis in Europe, global economy is threatened by the second downturn.
随着欧洲国家信用危机的爆发，当前国际经济面临二次探底的威胁。
We don't want to negotiate a peace agreement while our security is threatened by a possible missile attack.
我们不会在我们的安全受到可能的飞弹攻击威胁的情况下谈和平条约。
The life of some 12.87 million people is threatened by the drought, the provincial civil affairs bureau said.
省民政厅表示，1287万人口的生计受到干旱的威胁。
The survival of the country's famous wildlife is threatened by trophy hunting, climate change and human encroachment.
非洲豹是该国著名的野生动物，但其生存正受到狩猎、气候变化和人类侵蚀的威胁。
Wildlife is threatened by the loss of land,fragmentation of habitats, deteriorating ecosystems and invasive foreignspecies.
栖息地的流失和碎化、生态系统的恶化以及外来物种的入侵才是最大的威胁。
But Kizirolu says the duck "is threatened by the level of industrial waste and the decreasing water levels in the lake."
但是克孜罗说“这种鸟除了受到了当地的工业废弃物的排放度的影响外，还受到这个湖泊中水位的下降度的影响。”
The few that remain now are legally protected, but their survival is threatened by entanglement in fishermen's discarded nets.
现在流下来的少数海豹受到法律保护，但它们的生存受到渔民丢弃的纠结的渔网的威胁。
But he believes that the company's very survival is threatened by the ongoing uncertainty as to what has happened to its accounts.
但是他坚信公司的生存受到那些持续的不确定财务账目的威胁。
This is particularly important when export growth is threatened by increasing US and European pressure to let Asian currencies appreciate.
这在当前显得尤为重要，因为欧美正不断对亚洲国家施压，要求亚洲货币升值，使亚洲的出口增长受到威胁。
As a perfect example of Regency London, it has been featured in poetry, photo shoots, and music videos, but today it is threatened by construction.
作为伦敦摄政的完美范例，它已被收录在诗歌，摄影，和音乐影片中，但今天它却受到再度建设的威胁。
As a perfect example of Regency London, it has been featured in poetry, photo shoots, and music videos, but today it is threatened by construction.
作为伦敦摄政的完美范例，它已被收录在诗歌，摄影，和音乐影片中，但今天它却受到再度建设的威胁。
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