by reference 通過(guò)引用by rectum [醫(yī)藥科學(xué)]直腸灌注by reason that adv. 因?yàn)?/p>by reason of 由于；因?yàn)?/p>by reading the textbook 通過(guò)閱讀教科書(shū) 通過(guò)閱讀課本by rail over frontier [經(jīng)濟(jì)學(xué)]經(jīng)鐵路運(yùn)到邊界交貨by rail 由鐵路，乘火車(chē)by radio 用無(wú)線(xiàn)電by public tender [法學(xué)]通過(guò)公開(kāi)招標(biāo)by projection [交通運(yùn)輸工程]依照平面海圖的航法by profession 在職業(yè)上；就職業(yè)來(lái)說(shuō)by product workshop [經(jīng)濟(jì)學(xué)]副產(chǎn)品車(chē)間by product sales [經(jīng)濟(jì)學(xué)]副產(chǎn)品銷(xiāo)售by product precipitation [物理學(xué)]副產(chǎn)品沉淀by product power [能源科學(xué)技術(shù)]副產(chǎn)品電力by product n.副產(chǎn)品；副作用by priority 按優(yōu)先級(jí)by pressed for 缺少，缺乏by preference 首先 最好by practice 通過(guò)實(shí)踐