有些密度大的物质容易让电流通过。
Some dense substances allow electricity to flow through them freely.
有些物质容易让电流通过。
Some substances allow electricity to flow through them freely.
让电流通过铁能使铁磁化。
Iron can be magnetized by passing an electric current round it.
我们有力量让电流通过我们-使用我们-或者拒绝被使用并且允许黑暗扩散。
We have the power to let the current pass through us - to use us - or refuse to be used and allow darkness to spread.
要想让电流通过电解池，你需要一个普通的电池充电器。阳极和针脚里的铜溶解之后会聚集在阴极上。
By running an electrical current through the cell, using an ordinary battery charger, the copper in the anode (and in the pins) dissolves and is deposited on the lead cathode.
在电击治疗中，医生给患者使用肌肉松弛剂和麻醉剂，并让电流通过患者大脑的部分区域，电流可引发疾病短时间突然发作，有助于治疗抑郁症。
In ECT treatment, patients get a muscle relaxant and an anesthetic and an electrical current is passed to part of their brains, triggering a brief seizure that can help treat the depression.
在电击治疗中，医生给患者使用肌肉松弛剂和麻醉剂，并让电流通过患者大脑的部分区域，电流可引发疾病短时间突然发作，有助于治疗抑郁症。
In ECT treatment, patients get a muscle relaxant and an anesthetic and an electrical current is passed to part of their brains, triggering a brief seizure that can help treat the depression.
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