冠希哥 wrote:
這個網站可以給各位測...(恕刪)
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You are the typical teenager
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You can hear the frequency of the mosquito teen repellent - but probably not for much longer! The highest pitched ultrasonic mosquito ringtone that I can hear is 17.7kHz |
| Find out which ultrasonic ringtones you can hear! |
我17
!!!
