1. Scientists have long known that some decidedly nonsexual things can get our brains going. 很久以来科学家们就发现某些一定属于和性无关的事物能让我们头脑兴奋。
2. Scientists have long known that some decidedly nonsexual things can get our brains going. 很久以来科学家们就直到某些一定属于和性无关的事物能让我们头脑兴奋。
3. However, in some circumstances, nonsexual conduct may take on sexual connotations and rise to the level of sexual harassment. 但是，在某些情形之下，非性方面的举止可能会呈现性方面的含义，并上纲上线到性骚扰的程度。
