versatile 多才多艺的，通用的 versatility
alchemy 炼金术
transmute 变形，变质transmute silver into gold
arduous 艰巨的 an arduous task
pitfall 陷阱，未预见之困难
metallurgy 冶金
alloy 合金
aluminum = aluminium ^ 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`
combustion 燃烧 spontaneous combustion
ceramic 陶瓷的 瓷器
insulate 隔离，绝缘 insulator
fiber 纤维 fiber optics
optics 光学
retina 视网膜
iris 虹膜
opaque 不透明的v.s. transparent, translucent
microprocessor 微处理器^ CPU, chip
binary 二进制的
integrate integrated, integrationintegrated circuit , system integration
buffer 缓冲区 buffer storage
browser 浏览器
hypertext 超文本
envisage 想象，看作 en + vis + age 。The internet can be envisaged as a network of visual telephone links.
书香门第
