dichlorineWiktionary 原文构词拆分di-前缀Two. · Double, twice the quantity.+chlorine词根/词干词源说明From di- + chlorine.释义（英文）名词 Noun(chemistry, in combination) Two atoms of chlorine in a molecule(chemistry) molecular chlorine, Cl2词族派生词（3）dichlorine heptoxidedichlorine hexoxidedichlorine monoxide