hearing the sound 什么意思?

hearing the sound 什么意思? 求解答过程：On hearing the sound 英文SOund什么意思 sound 什么意思 sound什么意思 sound+形容词什么意思 这句话读不通Hearing the sound ,the animal disappeared into the bus The blind boy has( )gift for hearing the slight sound in( )d On hearing the sound,the birds flew away in every ____.A way the policeman stopped(),but he () no sound.A.hearing,heard B when I hear the sound from your heart ,my heart brake什么意思 sound 意思