“凝缩”用英语怎么说

有关恒星如何从呈弥漫状态的星云凝缩而来,天文学家们争论了很多年.One camp maintains that turbulence within the clouds plays a dominant role.云是由水蒸汽凝缩而成的.A cloud is a condensation of water vapour.染色质甲基化后会出现凝缩.Methylation of chromatin causes it to condense...