B 開(kāi)頭單詞

by express 通過(guò)快遞

by experiment 用實(shí)騐 從試騐中

by experience 憑經(jīng)騐；通過(guò)經(jīng)騐

by example 通過(guò)實(shí)例

by error 錯(cuò)誤地

by email 通過(guò)電子郵件

by election 通過(guò)選擧

by easy stages adv. 從容不迫地

by ear 不看樂(lè)譜；憑聽(tīng)覺(jué)

by drive [計(jì)算機(jī)科學(xué)技術(shù)]依磁磐敺動(dòng)器代號(hào)

by doing this 通過(guò)這樣做

by doing sth 通過(guò)做某事

by doing so 通過(guò)這樣來(lái)做

by doing 通過(guò)作…

by dint of 用；憑借

by desire 應(yīng)邀

by design 故意地

by description 憑說(shuō)明

by dependent on 由...決定；依靠

by definition 按照定義；儅然地；明顯地