Record levels of rainfall fell over the southeast of the country.
该国东南部降下了最高纪录的雨量。
Victoria Falls has had above average levels of rainfall this year.
维多利亚瀑布今年的降雨量高于平均水平。
Rainfall from a tropical storm dislodged the debris from the slopes of the volcano.
一场热带风暴带来的降雨把岩屑从火山坡上冲走了。
In the middle to high latitudes rainfall has risen steadily over the last 20-30 years.
中高纬度地区的降雨量在过去的20到30年间稳步上升了。
Rainfall can revive them in a matter of hours.
降雨可以在几小时内使它们恢复生机。
The rainfall in Wuhan reached a historical peak this year.
今年武汉的降雨量达到历史最高值。
The chemical composition of rainfall changes slightly as rain clouds move.
降雨的化学成分随着雨云的移动而发生轻微变化。
The wildebeests follow, in their migration, the pattern of local rainfall.
角马在迁徙时遵循当地降雨的模式。
The chemical composition of rainfall changes slightly as raid clouds move.
当雨云移动时，降雨的化学成分略有变化。
Savannas experience an annual rainfall of between 1,000 and 2,000 millimeters.
热带草原的年降雨量在1000毫米到2000毫米之间。
An annual rainfall of four inches is often used to define the limits of a desert.
年降雨量4英寸通常被用来界定沙漠的界限。
Farmers in South Africa are more at the mercy of nature, especially inconsistent rainfall.
南非的农民更容易受到大自然的影响，尤其是变化无常的降雨。
But during the past decade declining rainfall has allowed him to plant highly profitable crops.
过去十年，降雨量不断减少，这让他可以种植高利润型农作物。
But during the past decade, the declining rainfall has allowed him to plant highly profitable crops.
过去的十年里降雨减少了，这让他有机会种植一些高利润的农作物。
Rainfall was limited, and what water there was rushed across the plain in the annual flood of melted snow.
降雨量有限，每年融化的雪水洪流冲过平原，成为滋润此地的水源。
It depends on the rate at which water enters the lake, and that depends on the rainfall and the evaporation rate.
这取决于水进入湖泊的速度，而这又取决于降雨量和蒸发率。
The impact of rainfall upon the surface water and groundwater resources of the desert is greatly influenced by landforms.
降雨对于沙漠地表水和地下水资源的影响很大程度上取决于地形。
Today, I found out that Seattle doesn't really get that much rain compared with most US cities in average annual rainfall.
今天，我发现与美国大多数城市相比，西雅图的年平均降雨量并没有那么多。
In these areas, rainfall per month exceeds that in the above definition, so other factors must contribute to savanna formation.
在这些地区，每个月的降雨量超过了上述定义中的量，所以一定有其他因素促成草原的形成。
The total annual rainfall is spread pretty evenly throughout the year, and the temperature rarely dips below 60 degrees Fahrenheit.
全年降雨量分布相当均匀，气温很少降到华氏60度以下。
As the earth's climate changes and rainfall becomes even less predictable in some places, those answers will grow even more valuable.
地球气候发生变化，部分地区的降雨变得更加难以预测，所以这些答案将变得更有价值。
Millions of irrigation wells in many countries are now pumping water out of underground sources faster than rainfall can refill them.
在许多国家，数以百万计的灌溉井现在从地下水源抽水的速度，超过了降雨所能再次填满的速度。
The amount of "intergalactic rainfall" into some of these galaxies has been enough to double their mass in the time since they formed.
在这些星系中，“星系间降雨”的数量足以使它们的质量在形成的时间内翻倍。
It was not a time of uniform warmth, for then, as always since the Great Ice Age, there were constant shifts in rainfall and temperature.
那并不是一个始终温暖的时期，因为在那时跟大冰期以来的任何时候都一样，降雨量和温度都在不断变化。
Although southern Maya areas received more rainfall than northern areas, problems of water were paradoxically more severe in the wet south.
尽管玛雅故地南部地区的降雨量比北部地区更多，但是，在潮湿的南部地区，水资源的问题反而更加严重。
Rainfall in the Maya homeland is unpredictably variable between years; some recent years have had three or four times more rain than other years.
玛雅故土的降雨量在不同年份是变化莫测的；最近几年的降雨量比其他年份多三到四倍。
The climatic changes in southwestern Asia were more subtle, in that they involved shifts in mountain snow lines, rainfall patterns, and vegetation cover.
亚洲西南部的气候变化更为微妙，因为它们涉及到山地雪线、降雨模式和植被覆盖率的变化。
On the other hand, rainfall increased in the interior of western Africa, and the northern limit of the tsetse fly, an insect fatal to cattle, moved south.
另一方面，西非内陆的降雨量增加，采采蝇活动区域的北部边界向南移动——一种对牛致命的昆虫。
When a tree first starts growing in a certain area, it's likely that the climatic envelope—the temperature, humidity, rainfall patterns and so on—suits it.
当一棵树开始在某个地区生长时，很可能是气候环境，如温度、湿度、降雨模式等适合它。
Rainfall, for example, varied within and between local valley systems, so that even adjacent agricultural fields can produce significantly different yields.
例如，当地山谷系统内部和之间的降雨变化很大，因此，即使相邻的农田也可以产生明显不同的产量。
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