人们常常担心阴茎看起来太小或者因为太小而不能在性行为中满足伴侣的需求。但大多数认为自己阴茎太小的男性，实际上阴茎属于典型尺寸。From Mayo Clinic to the inbox Join no cost and continue to be up to date on research advancements, well being guidelines, latest health subject areas, and abilit