a)天文宇宙
heavenly body (天体) astrology (占星术)
astronomy (天文学) constellation (星座)
galaxy (银河) galactic nebula (银河星云)
satellite (卫星) planet (行星)
asteroid (小行星) meteor (流星)
meteorite (陨石)
(b)化学
hydurochloric (盐酸) sulfuric acid (硫酸)
reduction (还原) oxygen (氧)
hydrogen (氢) nitrogen (氮)
carbon (炭) neutralize (中和)
filter (过滤) deposit (沉淀)
oxidize (氧化) acid (酸)
alkalinity (碱性) saturation (饱和)
iceberg (冰山) meander (曲折)
tributary (支流) delta (三角洲)
(c)电气
generate (发电) charge (充电)
ammeter (电流表) voltmeter (电压表)
electrode (电极) cf. cathode(阴极)
anode(阳极) electronics (电子工学)
semi-conductor (半导体) terminal (接头)
