ubiquitous 普遍存在的= omnipresent (^ omniscient, omnipotent)

versatile (人)多才多艺的，(物)通用的à versatility

alchemy 炼金术

transmute 变形，变质transmute silver into gold (!)

arduous 艰巨的 (=strenuous)an arduous task

pitfall 陷阱，未预见之困难

metallurgy 冶金

alloy 合金

aluminum = aluminium (BE)^ calcium, uranium, radium^ copper, brass, bronze

electrode 电极

distill 蒸馏 distilled water

quartz 石英

phosphorus 磷，磷光物质

inflammable 易燃的 (ß flame)

combustion 燃烧 (à combustible)spontaneous combustion (white phosphorus)

ceramic 陶瓷的 瓷器 (à ceramics)

insulate 隔离，绝缘à insulator (<> conductor)

fiber 纤维 (BE: fibre)fiber optics (纤维光学)

optics 光学 (à optical)