单词	carry the books
释义	carry the books 带书
随便看	digital electric marketing digital electric meter digital electric monitor digital electric potential digital electric power digital electric signal digital electric sphygmomanometer digital electric technology digital electric universal computing engine digital electrocardiograph digital electrode digital electrode regulation system digital electro-hydraulic control digital electro-hydraulic control system digital electrohydraulic governing system digital electromagnetic fathometer digital electrometer digital electrometre digital electronic digital-electronic digital electronic ammeter digital electronic chronometer digital electronic clock digital electronic computer digital electronic control