grind away

常見(jiàn)例句

• The steps have been ground away by the passing feet of many visitors over the centuries.
  這些臺(tái)堦經(jīng)過(guò)許多世紀(jì)衆(zhòng)多遊客的足踏，已經(jīng)磨損。
• Grinding for a test; grinding away at housework.
  爲(wèi)考試埋頭苦讀; 埋頭做家務(wù)
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