| 单词 | alchemy |
| 释义 | alchemy An early, unscientific form of chemistry practiced in the Middle Ages with aims including turning base metals into gold and discovering the elixir of perpetual youth, a universal cure for disease, and a universal solvent. Many alchemists were intelligent, well-meaning men and even distinguished scientists. Sir Isaac Newton, for example, was an alchemist. Pair-gain technologies such as ADSL do not involve alchemy, although sometimes they are characterized as turning copper into gold. See also pair-gain. |
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