convection activity

• 对流活动

convection activity的用法和样例：

例句

1. This form of convectional activity is responsible for thunderstorms.
   这种形式的对流活动就是大雷雨形成的原因。
2. The observatory said the relatively strong localized convection led to the formation of the waterspout.
   天文台表示，是相对强烈的地区性对流活动，导致了此次水龙卷的形成。