unbypassed adj.無旁路的(無旁通琯)unbuttons v.解開……的鈕釦；如解開鈕釦似地解開unbuttoning v.解開……的鈕釦；如解開鈕釦似地解開unbuttoned adj.鈕釦解開的；放松的；無約束的動詞unbutton的過去式和過去分詞形式.unbutton (v.) unbutton v.解開……的鈕釦；如解開鈕釦似地解開unbuttomed v.打開孔(解開鈕釦)adj.鈕釦解開的(放松的；無約束的)unbuttered adj.未塗黃油的沒有黃油的.unbusinesslike adj.非實事求是的；無組織的；無傚能的unbusiness 非企業(yè)unbury v.從墳墓中挖出；挖掘unburnt v.未燃燒adj.未燃燒盡的unburnished unburnedness n.未燃盡程度unburned combustible in flue dust [環(huán)境科學技術(shù)]飛灰可燃物含量unburned adj.未燃的unburnable adj.燒不掉的unburied (adj.) unburied adj.未埋葬的unburdens v.發(fā)泄；傾訴；表白；卸去負擔