“素的”用英语怎么说

这种药物通过提高大脑中血清素的含量来产生疗效。The drug works by increasing levels of serotonin in the brain.他信奉罗素的哲学.He believed in the philosophy of Russell.从前张崧年先生译过一篇罗素的论文.Mr Zhang Songnian once translated an essay by Bertrand Russell....