Radars used to track storms can detect water in the atmosphere only once it has condensed into clouds or raindrops.
用于跟踪风暴的雷达只能在大气中凝结成云或雨滴后才能够探测到水。
2
One reason is that 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.
一个原因是被用来追踪雷暴的雷达只可以发现大气中凝结成云或雨滴的水，因为水能以这样的形态反射波束。
3
Moisture in the atmospherecondensed into dew during the night.