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Helpful ˈhelpfl ˈhɛlpfəl Adj.["给予帮助的,有益的","愿意帮忙的

单词 helpful
音标 [ˈhelpfl] [ˈhɛlpfəl]
释义 adj.["给予帮助的,有益的","愿意帮忙的"]

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