单词	roughen
释义	roughen /ˈrʌf(ə)n / verb Make or become rough: [with object]: the wind was roughening the surface of the river [no object]: his voice roughened... The coarser the powder, the more the grains roughen up the surface for more of a textured finish. Virginia's voice had roughened to an angry growl. Etching the parts roughens the surface for better mechanical adhesion of the EN to the magnesium. Rhymes toughen
随便看	catfighting catfish cat flap cat food catgut Cath. Cathar Catharism Catharist catharsis cathartic cathartically Cathay cathead cathectic cathedral cathedral ceiling Cathedral City Catherine de' Medici Catherine, Duchess of Cambridge Catherine II Catherine of Aragon Catherine, St Catherine wheel Cather, Willa

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