middle clouds

• 中云

middle clouds的用法和样例：

例句

1. One reason is that the radars used to track storms can detect water in the atmosphere only once it has condensed into clouds or raindrops, and thus reflects the beam.
   其中的原因之一是追踪风暴的雷达只能探测并描绘出大气中云或雨形式的水。