The sun kept playing hide and seek behind monsoon , cumulus clouds that sometimes produced a few sprinkles .
太阳继续躲在季风、积云后面,玩着捉迷藏式的把戏,有时积云也会在湖面上散布一些零星的东西。
A polar landscape of snowy hills , dramatic cumulus clouds and coastal glaciers .
雪域丘陵、引人注目的积云和沿海冰川的极地景观。
According to the national center for atmospheric research in boulder , colorado , an average cumulus cloud weighs about 100 elephants , while a big storm cloud tips the scales at 2 00000 elephants .