| 词汇 | barium |
| 词根词缀 | 词源： 1808, Mod.L., from Gk. barys "heavy;" so called by its discoverer, Eng. chemist Sir Humphrey Davy (1778-1829) because it was present in the mineral barytes "heavy spar," from Gk. barys "heavy" (see grave (adj.)). |
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