问题描述: 用to one's regret造句.快,.. 1个回答 分类:综合 2014-11-19 问题解答: 我来补答 It's a pity I have to get back to the grindstone.遗憾的是我不得不回去工作. Regret is a tremendous waste of energy.遗憾的是一个巨大的浪费能源. 展开全文阅读