| 单词 | effortfulness | 
| 释义 | effortfuladjective  ef·fort·ful  ˈe-fərt-fəl    : showing or requiring effort    effortfully   ˈe-fərt-fə-lē adverb  effortfulness   ˈe-fərt-fəl-nəs noun effortfulness nounas in effort Synonyms & Similar Words Relevance 
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