Mr. Cruncher reposed under a patchwork counterpane, like a Harlequin at home.克朗彻先生盖了一床白衲衣图案的花哨被子, 像是呆在家里的丑角.Harlequin ichthyosis ( HI ) is a severe subtype of autosomal recessive congenital ichthyoses ( ARCI ) .丑角样鱼鳞病是常染...
氰氨化钙是毒性物质,对皮肤有刺激性.Calcium cyanamide is poisonous and irritating to the skin.叠氨化银不溶于水或硝酸.Silver azide does not dissolve in water or in nitric acid.氨化作用、同化作用及滤池的硝化作用是氮的主要转化形式.Ammonification, nitrification and nitrogen assi...
校内的书店比较贵 吗 ?Is the campus bookstore more expensive?之后可步行至北京大学校内的食堂, 或周边的饭馆享用午餐.May then walk to the campus of Peking University the cafeteria, or restaurant around lunch.有些人参加校队的选拔;有的则加入校内的运动联盟.Some try out for the schoo...