直: straight; stiff肋骨: rib; costa船: boat; ship; vessels直肋骨艇: straight-framed boat弧形肋骨船: arc form ship; arcform ship; arcform vessel拱形肋骨船体: arc form hull加强肋骨船首: heavily-framed bow龙骨船: keel◇龙骨船船员 keel-bully肋骨: rib; costa (pl. costae)◇肋骨切除术 costectomy; costatectomy比赛龙骨船: the racing keelboat龙骨船船员: keel bully弯龙骨船: keel rocker笄板龙骨船: centerboarder远洋航行龙骨船: sea-going keel yacht（鱼的）肋骨: side bones边肋骨: shell frame; side frame舱肋骨: hold frame; holdframe侧肋骨: side frame船肋骨: frame大肋骨: deep frame; web frame底肋骨: bottom frame反肋骨: reverse bar副肋骨: reverse frame; reversed frame腹肋骨: gastralia拱肋骨: arch framing
