云是由凝聚的水蒸气构成的.Clouds are formations of condensed water vapour.同质成核作用之所以可能,是由于蒸汽中分子凝聚的统计起伏.Homogeneous nucleation is made possible by statistical fluctuations among molecular aggregates in the vapour.这个系统确定凝聚的大小和分布.The sys...

“凝聚的”的英语可以翻译为：agglomerate ...