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单词	backflow
释义	backflow /ˈbakfləʊ / noun [mass noun] The movement of liquid or air back in the direction it was flowing from: when filling the tank, use an anti-siphon device to prevent backflow the valves prevent backflow of blood into the veins... Veins in the legs have valves which normally prevent any backflow of the blood on its way towards the heart. The reverse flow of electricity or "backflow" can injure an unsuspecting utility worker. Install a backflow valve to prevent sewer backup from coming into your home.
随便看	radioecology radio edit radio-element radio emission radio energy radio engineer radio engineering radioenzymatic radio fade-out radio frequency radio galaxy radiogenetical radiogenetics radiogenic radiogenically radiogoniometer radiogoniometric radiogoniometrical radiogoniometry radiogram radio-gramophone radiograph radiographer radiographic radiographical

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。