| 单词 | ac |
| 释义 | Ac nnoun.substancea radioactive element of the actinide series; found in uranium ores Synset:Ac actinium atomic number 89 Substance Holonyms:uranium ore Hypernyms:chemical element element Inherited Hypernyms:actiniumchemical elementsubstancematterphysical entityentity Inherited Hypernyms:actiniumchemical elementsubstancepartrelationabstractionentity nnoun.phenomenonan electric current that reverses direction sinusoidally Synset:AC alternating current alternating electric current Examples:
Antonyms:direct current Hypernyms:electrical energy electricity power Inherited Hypernyms:alternating currentelectricityenergyphysical phenomenonnatural phenomenonphenomenonprocessphysical entityentity |
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