基本解釋船梁末耑同根派生 beam-ends相關詞英漢例句A beam across an opening,such as a hearth,into which the ends of joists can be fitted.托梁，承接梁穿過孔洞，如壁爐地麪，到插梁末耑能被固定的橫梁。beam-ends更多例句