chalk slate 白垩板岩...adhesive slate 胶粘板岩,胶粘石板...laminated slate 层状页岩,薄片状页岩...start with a clean slate 改过自新,重新开始,言归于好...asbestos-cement slate 石棉水泥浪板...clay slate 粘土板岩...argillaceous slate 泥质格岩...ash slate 灰板岩...asbestos slate 石棉板...slate n.板岩,页岩,提名名单,人选...have a slate loose 精神有点不正常...slate pencil 石笔...have a slate missing 精神有点不正常...clean the slate 摆脱责任,免除义务...clean slate principle 白纸主义...
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