unavailing基本解释
adj.无益的;无用的;无效的
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副词: unavailingly 名词: unavailingness
adj.无益的;无用的;无效的
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副词: unavailingly 名词: unavailingness
"a futile effort"
"the therapy was ineffectual"
"an otiose undertaking"
"an unavailing attempt"
This time his pleas were unavailing.
出自:R. Lindner