To find out, scientists led by Dr. Alkis Togias of Johns Hopkins University had Roche and other healthy volunteers inhale a drug called hexamethonium.

为了寻找答案，约翰-霍普金斯大学的AlkisTogias博士让Roche和其他一些健康志愿者吸入一种叫做六甲铵的药物。

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To find out, scientists led by Dr. Alkis Togias of Johns Hopkins University had Roche and other healthy volunteers inhale a drug called hexamethonium.

为了寻找答案，约翰-霍普金斯大学的AlkisTogias博士让Roche和其他一些健康志愿者吸入一种叫做六甲铵的药物。

youdao