基本解釋[地球科學(xué)]晴天積云英漢例句雙語(yǔ)例句Cumulus clouds are big, white masses of fair-weather clouds that drift across the daytime sky. But heavy layers of cumulus clouds can threaten rain. (4)積云是白色的、標(biāo)志著好天氣的大云團(tuán),在白日的天空中飄浮。但是,厚厚的積云層可能是要下雨的征兆。blog.sina.com.cnfair-weather cumulus更多例句專業(yè)釋義地球科學(xué)晴天積云