Synset:ballast
Hypernyms:electrical device
Inherited Hypernyms:ballastelectrical devicedeviceinstrumentalityartifactwholeobjectphysical entityentity
| 单词 | light ballast |
| 释义 | Light Ballast nnoun.artifactan electrical device for starting and regulating fluorescent and discharge lamps Synset:ballast Hypernyms:electrical device Inherited Hypernyms:ballastelectrical devicedeviceinstrumentalityartifactwholeobjectphysical entityentity |
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