大家在查：卡塔楚 MarcEcko 不经常 BlueMountainArts wildcards Shylock GeorgeNorris 大卫•西蒙斯织物材料 ore body

莱·戴维

莱·戴维

莱·戴维

莱·戴维

1

Sir Humphry Davy, English chemist and inventor of the miners safety lamp , was born in Cornwall , the son of a woodcarver .

英国化学家、煤矿安全灯发明者汉弗莱·戴维爵士生于康沃尔郡，父亲是木雕师。

2

Sir Humphry Davy had produced incandescent electric light in 1808 by passing battery current through a platinum wire .

汉弗莱·戴维爵士（SirHumphreyDavy ）在 1808年发明了白炽灯泡，他把直流电通过一根铂丝来发光。

3

Humphry Davy soon used this newly discovered electrolysis to discover potassium and other metals .

汉弗莱·戴维（HumphryDavy ）不久就用新发现的电解作用发现了钾和其他金属。

热词推荐

大家在看

man , . cum you 's " after japan ? : - Facebook join what Yeah your then 4th as