单词	jack staff
释义	jack staff noun : a staff which is fixed on the bowsprit cap or in the bows of a ship and upon which the jack is hoisted Word History Etymology jack entry 1 (flag)
随便看	isoetesses isoeugenol isoflavone isoform isogam isogamete isogametes isogametic isogamies isogamous isogamy isogen isogeneic isogeneity Isogeneratae isogenesis isogenic isogenies isogenism isogenotypic isogenous isogeotherm isogeothermal isogeothermic isogeotherms

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