The man was lascivious, sexually perverted and insatiable.(这个人是一个欲壑难填的变态色情狂。)
Many people are shocked to learn that, just as in human life, there's an incredible, dark and even lascivious underbelly to the animal world.(许多人震惊地发现，就像在人类生活中一样，动物世界也有不可思议、黑暗甚至淫荡的一面。)
