sp实践视频在线观看
类型:战争片
地区:大陆
年份:2010
主演:内详
导演:内详
更新:2024-09-30 08:08:02
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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