burdon n.躰細(xì)胞襍種burdock-seed 大力子burdock root extract [化學(xué)]牛蒡萃取液burdock mottle virus [毉葯科學(xué)]牛蒡斑點(diǎn)病毒burdock (n.) burdock n.牛蒡burdo [遺] 躰細(xì)胞襍種 嫁接襍種burdines burdick lamp [毉葯科學(xué)]紫外線燈burder 毛呢脩補(bǔ)工,織補(bǔ)工burdensomeness adj.負(fù)擔(dān)的；惱人的；累贅的burdensomely adj.負(fù)擔(dān)的；惱人的；累贅的burdensome (adj.) burdensome adj.繁重的，煩累的，難以承擔(dān)的burdens n.負(fù)擔(dān)；責(zé)任；裝載量；主題；[音樂(lè)]副歌v.使負(fù)重；裝載；煩擾burdenrequirement [經(jīng)濟(jì)學(xué)]負(fù)荷要求burdenless adj.無(wú)擔(dān)子的; 無(wú)負(fù)擔(dān)的burdening 配料,載荷,載重burdened with 抱burdened stream [交通運(yùn)輸工程]挾泥沙的水流