rainfall

英 [ˈreɪnfɔːl]

美 [ˈreɪnfɔːl]

n.  降雨量; 下雨

复数：rainfalls　

高考TOEFLIELTSTEM8经济

Collins.1 / BNC.10343 / COCA.9169

牛津词典

noun

• 降雨量；下雨
  the total amount of rain that falls in a particular area in a particular amount of time; an occasion when rain falls
  1. There has been below average rainfall this month.
     这个月的降雨低于平均降雨量。
  2. an average annual rainfall of 10 cm
     10厘米的年平均降雨量

柯林斯词典

• N-UNCOUNT （降）雨量
  Rainfallis the amount of rain that falls in a place during a particular period.
  1. There have been four years of below average rainfall.
     已经有4年降雨量低于平均值了。

英英释义

noun

• water falling in drops from vapor condensed in the atmosphere
  Synonym:rain

双语例句

• Roof runoff water quality was affected by rainfall, rainfall intensity, roof material, season and air temperature.
  屋面径流水质主要受降雨量、降雨强度、屋面材料、季节和气温的影响。
• This brings dry air over the African continent, reducing rainfall.
  这为非洲大陆带来了更多干燥的空气，减少了降雨量。
• Analysis and Monitoring of the Local Short-time Rainstorm of Zuoyun County with Single Element Rainfall Station and Doppler Radar;
  介绍了短时局地暴雨的监测和左云县气象站点要素演变，对天气形势、加密观测资料和多普勒雷达资料进行了分析。
• Scientists combine data and mathematical models to predict changes in temperature and rainfall.
  科学家把数据和数学模型结合起来，去预测温度和降雨量的变化。
• Rainfall had dislodged debris from the slopes of the volcano
  雨水冲走了火山坡面上的岩屑。
• Temperature and rainfall are variables.
  气温和降雨量是变量。
• Rainfall is well distributed.
  雨水调和。
• Erosion and sediment yield process of soil dumped by people have been analyzed by simulated rainfall experiments.
  通过人工模拟降雨实验，研究分析了强降雨条件下人为弃土的侵蚀产沙量及侵蚀过程。
• The urban rainfall runoff pollution originates from the precipitation, the urban surface and the drainage system.
  城市降水径流污染中的污染物主要来自降水、城市地表和排水系统。
• Rainfall has been fairly well-distributed this year.
  今年的雨水很均匀。