a bevy of 一群…… 一組……a better tomorrow iii [電子、通信與自動控制技術(shù)]夕陽之歌a benignant look 慈眉善目a benevolent and perfect man 仁人君子a bed a beautiful piece of music [法學(xué)]一曲優(yōu)美的音樂a beautiful morning a beaten path 慣例；踏出的路a beast of …...的野獸 粗野（非正式）a beam of light 一束光；一束光線，一縷光線a batch of 一批a basket of currencies 籠統(tǒng)貨幣；[金融] 一籃子貨幣a basin of water 一盆水a basin of 一臉盆……a bas a barter [經(jīng)濟學(xué)]易貨貿(mào)易a barren 一片荒地a bargain sale 一次性削價a bare possibility 萬一，萬一的事情a bar of soap 一塊（條）肥皂