英语词汇“helpfulness”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	helpfulness
释义	helpfulness n33082 134 1 11 21 9 92 有益(56%)，有用(22%)，有帮助(22%) n.有益；有助
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