| 单词 | cumulonimbus |
| 释义 | Word Frequency cumulonimbus(ˌkjuːmjʊləʊˈnɪmbəs) nounWord forms: plural -bi (-baɪ) or -buses meteorology a cumulus cloud of great vertical extent, the top often forming an anvil shape and the bottom being dark coloured, indicating rain or hail: associated with thunderstorms |
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