韩国科学家将炉甘石洗液的主要成分转化成一种微细的材料，这种材料能够将声波转化成电能。
Scientists from Korea have turned the main ingredient of calamine lotion into a tiny material that converts sound waves into electricity.
疗法 ：可在（普通药店）柜台上买到药膏，比如炉甘石洗液。
Treatment: Over-the-counter creams, such as calamine lotion.
通过氧化锌，炉甘石洗液中的主要成分，朴勇俊、金相宇以及他们的同事制造出了一段夹在两个电极之间的纳米线。
Using zinc oxide, the main ingredient in calamine lotion, Young Jun Park, Sang-Woo Kim and their colleagues created a field of nanowires sandwiched between two electrodes.
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