资料来源 : pyDict

David的昵称宣誓书

资料来源 : WordNet®

Davy
     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: {Humphrey Davy}, {Sir Humphrey Davy}]