atmospheric cloud

例句：

1. 1.The weather forecast indicated a chance for atmospheric clouds to form.
   天气预报显示有可能形成对流云。
2. 2.The scientist observed the formation of atmospheric clouds during his research.
   科学家在他的研究中观察到了大气云的形成。
3. 3.The atmospheric clouds obscured the view from the observation deck.
   大气云遮住了观察台上的视野。