单词	电子密度高的
释义	电子密度高的医electron-dense
随便看	law of regulatory models law of reinforcement law of reinforcement size law of reinforcer deprivation law of related composition law of relative competition law of relative proportions law of relativity law of remedy law of repeated logarithm law of repetition Law of repetition law of reproduction law of requisite variety law of resemblance law of resistance law of resistance for turbulent flow law of resistance frequency product law of resolution law of resources law of responsibility and authority law of restitution law of retail gravitation law of retaliation law of retional indices