An overdose of sun, sea, sand and chlorine can give lighter hair a green tinge.过量接触阳光、海水、沙粒和氯气会使浅色头发略呈绿色。Chlorine is usually liquefied before use or storage.氯在使用和贮存以前通常要液化.Derivatives of bromine are much more active than...
Since 1908, chlorine has been added to drinking water.自1908年以来氯就被添加进饮用水当中。Chlorine is used to disinfect water.氯用来给水消毒。Chlorine is added to kill bacteria.加氯是为了杀死细菌。...
We are all conditioned by early impressions and experiences.我们都受到早年印象和经历的影响。People are liable to judge others from their own first impressions.人们容易用他们自己的最初印象来评价别人.Seven impressions of the novel have been sold out.这本小说印了七...