versatile 多才多藝的，通用的 versatility
alchemy 鍊金術
transmute 變形，變質transmute silver into gold
arduous 艱鉅的 an arduous task
pitfall 陷阱，未預見之困難
metallurgy 冶金
alloy 合金
aluminum = aluminium ^ calcium, uranium, radium^ copper, brass, bronze
electrode 電極
distill 蒸餾 distilled water
quartz 石英
phosphorus 磷，磷光物質
inflammable 易燃的`
combustion 燃燒 spontaneous combustion
ceramic 陶瓷的 瓷器
insulate 隔離，絕緣 insulator
fiber 纖維 fiber optics
optics 光學
retina 視網膜
iris 虹膜
opaque 不透明的v.s. transparent, translucent
microprocessor 微處理器^ CPU, chip
binary 二進制的
integrate integrated, integrationintegrated circuit , system integration
buffer 緩衝區 buffer storage
browser 瀏覽器
hypertext 超文本
envisage 想象，看作 en + vis + age 。The internet can be envisaged as a network of visual telephone links.
