U 開(kāi)頭單詞

unbypassed adj.無(wú)旁路的(無(wú)旁通琯)

unbuttons v.解開(kāi)……的鈕釦；如解開(kāi)鈕釦似地解開(kāi)

unbuttoning v.解開(kāi)……的鈕釦；如解開(kāi)鈕釦似地解開(kāi)

unbuttoned adj.鈕釦解開(kāi)的；放松的；無(wú)約束的動(dòng)詞unbutton的過(guò)去式和過(guò)去分詞形式.

unbutton (v.)

unbutton v.解開(kāi)……的鈕釦；如解開(kāi)鈕釦似地解開(kāi)

unbuttomed v.打開(kāi)孔(解開(kāi)鈕釦)adj.鈕釦解開(kāi)的(放松的；無(wú)約束的)

unbuttered adj.未塗黃油的沒(méi)有黃油的.

unbusinesslike adj.非實(shí)事求是的；無(wú)組織的；無(wú)傚能的

unbusiness 非企業(yè)

unbury v.從墳?zāi)怪型诔?；挖?/p>

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(xué)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(fù)擔(dān)