百家讲坛320部6142集

类型：爱情片 地区：意大利 年份：2010

主演：内详  

导演：内详  

更新：2024-09-03 13:32:38

简介： In other words, the sound emitted by the whistle is inaudible to humans. It is similar to the ultrasonic waves emitted by bats. It is a sound wave beyond what human ears can receive. Sound waves of this frequency can only be heard by ants within a short distance... 详情