单词	Pascal's triangle
释义	Pascal's triangle noun Pas·​cal's triangle pa-ˈskalz-  pä-ˈskälz- : a system of numbers arranged in rows resembling a triangle with each row consisting of the coefficients in the expansion of (a + b)n for n = 0, 1, 2, 3,  … Word History First Known Use 1886, in the meaning defined above
随便看	swimming hole swimming plate swimming pool swimming pools swimming sandpiper swimming stone swimming trunks swimminglier swimmingliest swimmingly swimmings swimmy swims swimsuit swimsuits swimwear Swinburne swinburnian swindle swindle sheet swindleable swindled swindler swindlers swindles

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