英语词汇“at option”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	at option
释义	at option 基本例句 adv.随意用作副词He has put his car at my disposal.他已把车子让给我随意使用。 I allow students to come and go at discretion.我允许学生们随意的来来去去。
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