sound travel的用法和樣例：
例句
- All sounds travel to our ears in about the same way and come to us in waves that can be seen only with special electronic equipment.
所有的聲音都以大約相同的方式傳到我們的耳朵，傳給我們的聲波只能用特殊的電子設備才能顯現。 - Sound travels through the medium of air.
聲音通過(guò)空氣這一媒介傳播。 - How much does sound travel faster in water than in air?
聲音在水中比在空氣中傳播快多少？
