buck up是什么意思

buck up是什么意思 buck是什么意思? buck是什么意思啊 buck dich 是什么意思? 帮忙翻译下：buck up buck buck-fifty是什么意思原句是that and a buck-fifty will get you cup of coffee bang for the buck短语意思?bang for the buck这个短语是什么意思,还有里面的bang 和buck都分别是什么意思?这个短语是怎么来的? 请给解释下面一句英语表达的是什么意思.But it was in giving out the law and making his mates live up to it that Buck showed his true self. Buck是什么? 请问buck Buck 翻译! buck angel up是什么意思 up是什么意思? Pearl Buck needed much money over the years to_______ her daughter's care.A pay for B look for C take up D use up 什么叫BUCK电路 buck电路电流分析