英语词汇“vain”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	vain
释义	vain [vein] -2 a. 无价值的, 徒然的, 空虚的, 自负的, 愚蠢的级别: vainer, vainest (高研四六雅宝 10144/9731)\n
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