long dated long crus [醫(yī)藥科學(xué)]長腳long conversation [語言學(xué)]長對話long consist passenger train [交通運輸工程]長編組旅客列車long connecting hose [經(jīng)濟(jì)學(xué)]長聯(lián)接軟管long collarless vest [紡織科學(xué)技術(shù)]無領(lǐng)長背心long chord winding [動力與電氣工程]長節(jié)距繞組long chain 長鏈long centric [醫(yī)藥科學(xué)]長正中long call 認(rèn)購長倉long butterfly put spread [經(jīng)濟(jì)學(xué)]買入碟式賣權(quán)價差long butterfly call spread [經(jīng)濟(jì)學(xué)]買入碟式買權(quán)價差long bull point chisel [土木建筑工程]加長尖鑿long boom wharf crane [交通運輸工程]長臂碼頭起重機(jī)long bones long bone [解剖] 長骨long bond n. 長期公債；長鍵；[財政] 長期債券long blade n. 長葉片long before 很早以前；在…以前很久long beach seafood restaurant