The parasympathetic innervation of the heart originates in the medulla oblongata.支配心脏的副交感神经发源于延髓的迷走神经核.While this is commonly agreed upon, the vagal innervation of idioventricular pacemakers is not.这点是人所公认的, 而心室自身起撑点的迷走神...
Men who use steroids are motivated by sheer vanity.使用类固醇的男人纯粹是受虚荣心的驱使。His vanity increased with years.他的虚荣心随着年龄增长而增加.Vanity and virtue do not go together.虚荣与美德不是共生物....