Even worse, by focusing only on their genital contact, they may gradually desensitize other erogenous zones.甚至更为糟糕的是, 只是沉溺于生殖器官的接触, 他们也许会逐渐失去其他性敏感区的敏感性.People who suffer from allergies can sometimes be injections to help...
当然，一些人否定了此类说法的合理性。Some people, of course, denied the validity of any such claim.在非确定型的情况, 合理性的概念却难以确定.In the case of uncertainty, the definition of rationality becomes problematic.我们只能相对于一种参照系来谈论合理性.We can only speak of ...