| 单词 | Sir Humphrey Davy |
| 释义 | Sir Humphrey Davy (once / 85032 pages) n WORD FAMILY Sir Humphrey Davy USAGE EXAMPLESSir Humphrey Davy, about the end of the eighteenth century, rubbed together two pieces of ice until they were nearly melted. Widtsoe, John Andreas, Joseph Smith as Scientist—A Contrib...(2012) A man of science shall be our next witness: I mean Sir Humphrey Davy. Ryle, John Charles, Practical Religion—Being Plain Pape...(2011) He also experimented with the noxious gases in mines, inventing lamps which were the forerunner of Sir Humphrey Davy's. Bolton, Sarah K., Famous Men of Science(2011) n English chemist who was a pioneer in electrochemistry and who used it to isolate elements sodium and potassium and barium and boron and calcium and magnesium and chlorine (1778-1829) Syn|Exp Davy, Humphrey Davy chemist a scientist who specializes in chemistry |
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