That's what is technically cumulonimbus.
这云的学名是积雨云。
Cumulonimbus, along with cumulus, are the most dramatic types of cloud.
积雨云和积云是云中最神奇的类型。
A cumulonimbus cloud rises high into the sky and usually produces storms.
积雨云上升到空中，通常会带来暴风雨。
A spokesman for the Met Office said: 'Storms of this intensity only occur with large towering cumulonimbus clouds.'
气象部门的发言人说，“只有在大面积的积雨云汇聚的时候，这么强大的暴风雨才会出现。”
When approached the cumulonimbus , we could see by eyes there was a space of about 20km between the two major clouds.
当接近积雨云时，我们目视看见两个主体云间有20公里的间隙，但是没想到穿越时遭遇强风和冰雹袭击。
Rorschach Clouds observes the meteorological phenomena described as' Surface observation of a single cell cumulonimbus'.
《罗夏云群》观察了一种被形容为“一片积雨云的浅表观察”的气候现象。
These cumulonimbus clouds, which Simpson called "hot towers," act like chimneys for the warm, moist air rising from the tropical oceans.
这些辛普森称之为“热塔”的积雨云，对于热带海洋上暖湿的上升空气起着烟囱一样的作用。
We think that the inductive and non-inductive charging processes are primary physical processes for electric structure of the cumulonimbus.
作者认为后三个过程是形成积云电结构的主要物理因子。
As they encountered moderate to severe turbulence, towering cumulonimbus clouds and a developing thunderstorm just offshore, Frank flew directly into it.
刚起飞时，他们就遭遇了中度至重度的气流，不断堆积的积雨云和一场酝酿中的雷暴，而Frank直接飞了进去。
Sticking with the elephant unit, Heymsfield estimated that a typical thunderstorm cloud — a cumulonimbus — has 15 million elephants worth of water floating in the air at any given time.
继续以大象作为单位，赫穆斯·菲尔德估计一片标准的雷雨云——一片积雨云——在任何特定时间内，都相当于与1,500万头大象相同重量的水漂浮在天空中。
Sticking with the elephant unit, Heymsfield estimated that a typical thunderstorm cloud — a cumulonimbus — has 15 million elephants worth of water floating in the air at any given time.
继续以大象作为单位，赫穆斯·菲尔德估计一片标准的雷雨云——一片积雨云——在任何特定时间内，都相当于与1,500万头大象相同重量的水漂浮在天空中。
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