角马在迁徙时遵循当地降雨的模式。
The wildebeests follow, in their migration, the pattern of local rainfall.
当雨云移动时，降雨的化学成分略有变化。
The chemical composition of rainfall changes slightly as raid clouds move.
降雨的化学成分随着雨云的移动而发生轻微变化。
The chemical composition of rainfall changes slightly as rain clouds move.
如今降雨的时候，雨水会带着黏土和泥沙颗粒从沙丘两边往下流。
Now, when the rain fell, water ran down the sides of the dunes, carrying clay and silt particles with it.
这个“跷跷板”带来了极度寒冷的周期性的严冬和东风，然后突然转换成多年的阴沉春季、过早降雨的夏季和温和的冬季，以及频繁的大西洋海浪。
The "seesaw" brought cycles of intensely cold winters and easterly winds, then switched abruptly to years of heavy spring and early summer rains, mild winters, and frequent Atlantic waves.
外邦人虚无的神中有能降雨的吗。
Are there any among the vanities of the Gentiles that can cause rain?
降雨的预报是个经典的例子。
人工降雨的短期及长期效果都难以评估。
The results of the seeding technology both shortcoming and long-term are difficult to assess.
气候的变化以及降雨的增加导致这里遭受更加频繁的洪水和季风。
Climate change could increase rainfall and cause more frequent flooding and monsoons.
气候模拟研究者同时预测，冬季和干旱夏季遭遇强降雨的机会将会增多。
Climate modellers also predict there would be an increase in heavy rainfall events in winter and drier summers.
气候模型似乎低估了全球变暖对极端降雨的影响：它比我们所想象的更为糟糕。
The climate models appear to have underestimated the contribution of global warming on extreme rainfall: it's worse than we thought it would be.
新的气候变化门户描述了气温和降雨的未来情景，增强了气候变化数据的公开性。
New climate portal depicts future scenarios for temperature and rainfall and expands access to climate data.
此外在没有降雨的时候，颗粒物通常会停留在大气上层，而不会下降到街道路面的高度。
And, when the weather is not rainy, particles usually stay lofted in the air and do not reach street level.
美国哥伦比亚大学研究人员得出结论：严重缺水不仅是降雨的结果更主要是是由于人口增长。
They say its severe water shortages resulted from population growth more than rainfall patterns.
随著降雨的持续，非洲气象学家指出这一系列的事件也许正好印证了关于非洲将深受全球变暖之害的预言。
As the rains continue, African meteorologists are warning that these events may be fulfilling predictions that the continent will suffer some of the worst effects of global warming.
科学家们在旱季对这些在非繁殖地的红尾鸲观察了5年，同时又特别观察了旱季降雨的年际变化。
The scientists observed the redstarts in their non-breeding territories for five years during the dry season. They paid special attention to the annual variation in dry season rainfall.
他指出，过去5个月里，德州的平均降雨量只有12厘米，是1967年以来同期降雨的最低值。
He notes that the average rainfall during the past five months in the state was only 12 centimeters, the least amount of rain since 1967.
然而，由于空气越来越温暖，温暖的空气能够保持更多的水分，故而季风带来的降雨的力度会加大。
The strength of the rainfall within it, though, is likely to rise, because the air will be warmer, and warmer air can hold more water.
云的催化是指将催化剂颗粒打入云中使云中的水蒸汽凝聚成水滴，从而实现降雨的技术，催化剂颗粒通常为碘化银。
Cloud-seeding is a technique to enhance rainfall by introducing particles - often silver iodide crystals - into cloud systems, to help condense water vapor into raindrops.
亚马逊热带雨林盯梢枯死的推测依然争论激烈，但是，像阿根廷这样依赖森林提供降雨的国家真的该抓住这个机遇吗？
Projections of Amazon dieback are still much debated, but should countries like Argentina, dependent on the forest for their rainfall, really take the chance?
最新的全球天气预报系统（GFS）预测下周初山东将有1/2（12毫米）英寸降雨的可能，但这对缓解旱情帮助甚微。
The latest precipitation forecast from the GFS ensemble model predicts the possibility of rains of around 1/2 inch for Shandong Province early next week, but these rains would help only a little.
这块万里无云的天空下，地表温度上升、失去水分，从而造成地面上的物质越变越热、愈加干燥，但降雨的机会却丝毫未增加。
Under cloudless skies the surface heats and gives up its moisture, making things at ground level hotter and drier while not increasing the chances of rain.
一些科学家确信，自然平衡不能被打乱，在能够评估人工降雨的结果之前不进行人工降雨会更好，破坏环境等于破坏人类的健康。
Some scientists are sure that the natural balance mustn’t be disturbed. It’s better not to use the cloud seeding technology until the remote consequences are assessed.
因此，当来自东部和西部的造成降雨的超级晶核（水汽凝结形成雨水——译者注）融入其中，北部的印度和及其它河流已经涨满水了。
Thus, the Indus and other rivers were already swollen with water in the north by the time the supercell of rains from east and west merged above them.
反应这股趋势的是，印度季风- - -20世纪以来，在绝对降雨量方面变化很小- - -出现更多降雨的比率比过去增加了。
Reflecting this trend, the Indian monsoon - which in terms of absolute levels of rainfall changed little over the 20th century-has been seeing more of its rainfall in extreme events than it used to.
反应这股趋势的是，印度季风- - -20世纪以来，在绝对降雨量方面变化很小- - -出现更多降雨的比率比过去增加了。
Reflecting this trend, the Indian monsoon - which in terms of absolute levels of rainfall changed little over the 20th century-has been seeing more of its rainfall in extreme events than it used to.
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