维多利亚瀑布今年的降雨量高于平均水平。
Victoria Falls has had above average levels of rainfall this year.
持续降雨迫使了第二天各项比赛的中途停止。
Constant rain forced the abandonment of the next day's competitions.
鉴于今年降雨量少，居民被告诫不得浪费用水。
Residents were warned not to be extravagant with water, in view of the low rainfall this year.
一场热带风暴带来的降雨把岩屑从火山坡上冲走了。
Rainfall from a tropical storm dislodged the debris from the slopes of the volcano.
中高纬度地区的降雨量在过去的20到30年间稳步上升了。
In the middle to high latitudes rainfall has risen steadily over the last 20-30 years.
风在有些地方达到每小时100英里，伴有15分钟内1英寸的降雨量。
Winds reached up to 100 mph in some places with an inch of rain falling within 15 minutes.
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.
惊蛰标志着气温上升，降雨量增加。
Awakening of Insects signals a rise in temperature and increased rain fall.
今年武汉的降雨量达到历史最高值。
降雨可以在几小时内使它们恢复生机。
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.
年降雨量4英寸通常被用来界定沙漠的界限。
An annual rainfall of four inches is often used to define the limits of a desert.
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.
全年降雨量分布相当均匀，气温很少降到华氏60度以下。
The total annual rainfall is spread pretty evenly throughout the year, and the temperature rarely dips below 60 degrees Fahrenheit.
热带草原的年降雨量在1000毫米到2000毫米之间。
Savannas experience an annual rainfall of between 1,000 and 2,000 millimeters.
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。
It depends on the rate at which water enters the lake, and that depends on the rainfall and the evaporation rate.
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。
Farmers in South Africa are more at the mercy of nature, especially inconsistent rainfall.
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 declining rainfall has allowed him to plant highly profitable crops.
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。
The impact of rainfall upon the surface water and groundwater resources of the desert is greatly influenced by landforms.
南部地区的情况非常相似，除了降雨开始向地中海北部地区推进。
Very much the same in the south except that the rain is starting to push down into the northern parts of the Mediterranean there.
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.
今天，我发现与美国大多数城市相比，西雅图的降雨并没有那么多。
Today, I found out that Seattle doesn't really get that much rain compared with most US cities.
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。
But during the past decade, the declining rainfall has allowed him to plant highly profitable crops.
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。
Today, I found out that Seattle doesn't really get that much rain compared with most US cities in average annual rainfall.
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。
As the earth's climate changes and rainfall becomes even less predictable in some places, those answers will grow even more valuable.
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。
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.
根据这项研究，有两个因素对“空白之地”湖泊的形成很重要：首先，那里的降雨十分猛烈。
According to the study, two factors were important for lake formation in the Empty Quarter: first the rains that fell there were torrential.
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