reversal: n.1.颠倒，倒转，反转，逆转，反向；反复。2.【法律】撤消。3.【摄影】正负片之间的转换。短语和例子That would be a reversal of the order of host and guest. 这就主客颠倒了。 a reversal of wind 风向突然逆转。 a thrust reversal 【火箭】推力反向装置。
The reversal potential and the property that the current was rapidly blocked by external 1 mm bacl2 made sure that the current we recorded was carried by k + 电流的反转电位（ 60mw及其被胞外baci 。迅速抑制的特征表明记录到的电流为k ”电流。
