单词 | strenuous |
释义 | Word Frequency strenuous(ˈstrɛnjʊəs) adjective 1. requiring or involving the use of great energy or effort 2. characterized by great activity, effort, or endeavour Derived forms strenuousness (ˈstrenuousness) or strenuosity (ˌstrɛnjʊˈɒsɪtɪ) noun strenuously (ˈstrenuously) adverb Word origin C16: from Latin strēnuus brisk, vigorous |
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