上图中，相对较低的积云（低于4500米）很可能是地面附近的水汽受太阳辐射，与低层大气发生对流所形成的。
The relatively low-level cumulus clouds (below 15,000 feet) shown in this image are likely the product of moisture near ground level being cooked by the Sun and convected into the lower atmosphere.
上图中，相对较低的积云（低于4500米）很可能是地面附近的水汽受太阳辐射，与低层大气发生对流所形成的。
The relatively low-level cumulus clouds (below 15, 000 feet) shown in this image are likely the product of moisture near ground level being cooked by the Sun and convected into the lower atmosphere.
对流使上下层空气混合，热量、水汽和悬浮颗粒可以往上输送，从而引起了各种天气活动。
Convection on the lower deck of the air mixture, heat, water vapor and aerosols can go to transportation, which led to a variety of weather events.
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