Post navigation boulder 详细用法>> 英 [ˈbəʊldə] n.漂石;漂砾;(直径大于256毫米的)大卵石; [例句] a huge boulder with rare ferns growing in every crevice 裂缝里长满罕见蕨类植物的巨石 投标 tender, bid, submit a tender, make a tender, put in a tender