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词汇 electric current
例句 Never apply water to a burn from an electric shock while the casualty is still in contact with the electric current.当被电击者还连着电时,千万不要把水弄到电击伤口上。A powerful electric current is passed through a piece of graphite.给一块石墨通入强电流。When the electric current is turned on, it ignites the tungsten filaments in the bulb.电流一接通就使灯泡内的钨丝灼热发光。They tried to recuperated waste heat to produce electric current.他们试图回收余热发电。Switch off the electric current before changing the bulb.换灯泡前先把电源切断。A household radiator absorbs energy in the form of electric current and releases it in the form of heat.家用取暖器吸收电流能量,再以热量的形式释放出来。The specialist uses an electric current to coagulate the blood.专家用电流使血液凝结。
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