cumen.某个累积平均数；比如平均积分点cumprep.和；附有n.精液abbr.累积的（=cumulative）cumulo-minbusn.积雨云；乱积云；雷暴云cumulo-nimbus积雨云Cumulate gabbro早古生代cumulated error累积误差cum grano salis不无缺点, 打个折扣cumene oxidation氧化异丙苯cumuliform cloud积状云Cumulants method累积分析法cumulate changes累积变动cumlative energy累积能量

strato-cumulus层积云； n.；【气】层积云

cumulusn.积云；堆积