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

• 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。
• 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。
• 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。
• Failing a heavy rainfall soon, the drought will become serious.
  如果最近不下一场雨，旱情将更趋严重。
• The mean yearly rainfall is20 inches.
  平均年降雨量为20英寸。
• In the middle to high latitudes rainfall has risen steadily over the last 20-30 years.
  在过去二三十年里，中高纬度地区的降雨量持续增加。
• Satellites can provide almost immediate estimates of changing rainfall, land surface temperature and vegetation condition.
  卫星可以提供对于变化的降雨量、陆地表面温度和植被环境的几乎即时的估计。
• Rainfall had dislodged debris from the slopes of the volcano
  雨水冲走了火山坡面上的岩屑。
• There have been four years of below average rainfall.
  已经有4年降雨量低于平均值了。
• Rainfall has been below average.
  降雨量低于平均水平。