| 词汇 | cumulonimbus |
| 释义 | cumulonimbus noun [ U ] environment specialized uk/ˌkjuː.mjə.ləʊˈnɪm.bəs/ us/ˌkjuː.mjə.loʊˈnɪm.bəs/ 积雨云（一种高空浓密的大积云，能产生大雨或雷暴） a large, tall type of cumulus cloud that is often dark and brings heavy rain or a thunderstorm Compare: thundercloud |
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