burdon n.體細胞雜種burdock-seed 大力子burdock root extract [化學]牛蒡萃取液burdock mottle virus [醫(yī)藥科學]牛蒡斑點病毒burdock (n.) burdock n.牛蒡burdo [遺] 體細胞雜種 嫁接雜種burdines burdick lamp [醫(yī)藥科學]紫外線燈burder 毛呢修補工,織補工burdensomeness adj.負擔的；惱人的；累贅的burdensomely adj.負擔的；惱人的；累贅的burdensome (adj.) burdensome adj.繁重的，煩累的，難以承擔的burdens n.負擔；責任；裝載量；主題；[音樂]副歌v.使負重；裝載；煩擾burdenrequirement [經(jīng)濟學]負荷要求burdenless adj.無擔子的; 無負擔的burdening 配料,載荷,載重burdened with 抱burdened stream [交通運輸工程]挾泥沙的水流