同根派生 grind away相關(guān)詞英漢例句The steps have been ground away by the passing feet of many visitors over the centuries.這些臺(tái)階經(jīng)過(guò)許多世紀(jì)眾多游客的足踏,已經(jīng)磨損。Grinding for a test; grinding away at housework.為考試埋頭苦讀; 埋頭做家務(wù)grind away更多例句