单词	hard-won
释义	hard-won adjective ˈhärd-ˈwən  : gained by great effort Word History First Known Use 1586, in the meaning defined above
随便看	silvicultural silviculturally silviculture silvicultures silviculturist silviculturists silyba silybums silyl sim SIM card sima Simaba simal simales simals simar Simaroubaceae simaroubaceaes simaroubaceous simaroubae simaroubas simarre simars Simaruba

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