短語詞組短語Slate grey 鼠灰色;灰石色;淺青果灰argillaceous slate 泥板巖;泥質(zhì)板巖slate powder 板巖粉asbestos slate 石棉板;石棉石板;石棉水泥模型;石棉巖板Mushroom slate 蘑菇石slate green 青綠;暗藍(lán)綠色;石板綠slate cement 板巖水泥;頁巖水泥sandy slate [巖]砂質(zhì)板巖phyllite slate [巖]千枚板巖clean slate n . 清白歷史wipe the slate clean 勾銷往事on the slate [英國口語]賒賬，掛賬clean the slate v . 了結(jié)往事；免除義務(wù) 返回 slate