单词	angle of repose
释义	angle of repose 1 physics : the angle that the plane of contact between two bodies makes with the horizontal when the upper body is just on the point of sliding : the angle whose tangent is the coefficient of friction between the two bodies 2 or angle of rest : the angle of maximum slope at which a heap of any loose solid material (as earth) will stand without sliding compare angle of slide Word History First Known Use 1807, in the meaning defined at sense 1
随便看	outstrode outstroke outstrokes outstruck outstudied outstudies outstudying outstunted outstunting outstunts outsucken outsulked outsulking outsulks outsummed outsumming outsums outsung outsurge outswagger outswam outswear outswearing outswears outsweep

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