How do roosters protect their ears?
本文作者： TEENS
为什么公鸡不会被自己的打鸣声震聋？ Roosters are famous for crowing (打鸣) loudly in the morning and waking up everyone around them. Belgian researchers found that a rooster’s crow averages more than 130 decibels (分贝) for 1-2 seconds. This is the same as standing 15 meters away from an airplane while it takes off, ZME Science reported. |  |
 
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