一个人看的免费高清www在线观看
类型:纪录片
地区:日本
年份:2012
主演:内详
导演:内详
更新:2024-05-19 06:24:54
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...
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