Did 你 know if 你 try to say the alphabet without moving your lips 或者 tongue every letter will sound the same
Did 你 know white 猫 with blue eyes are usually deaf
Did 你 know wind doesn�t make a sound until it blows against an object
Did 你 know there is no sound in space
Did 你 know sound travels 3 times faster through water than in air
Did 你 know to crack a whip the tip must be travelling faster than the speed of sound
Did 你 know dolphins can hear underwater sounds from 24km (15miles) away
Did 你 know most cows produce 更多 牛奶 when they listen to music
Did 你 know elephants...
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