单词：amalgams
音标：[əˈmælgəmz] ；
n. 汞合金( amalgam的复数形式 ); 混合物
n. an alloy of mercury with another metal (usually silver) used by dentists to fill cavities in teeth; except for iron and platinum all metals dissolve in mercury and chemists refer to the resulting mercury mixtures as amalgams
n. a combination or blend of diverse things
n. a combination or blend of diverse things
单词：amalgams 相关文章
Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system
发表于:2019-01-02 / 阅读(206) / 评论(0)
60秒科学
60秒科学