同根派生 cumulus clouds相關(guān)詞英漢例句Very large cumulus quickly is formed.於是，很快形成大範(fàn)圍的積雲(yún)。Piles of cotton-like cumulus clouds fill the sky on a clear day.晴朗天空堆滿了像棉花一樣的積雲(yún)。cumulus clouds更多例句