sound heard的区别

sound heard的区别 sound与sound like的区别急 sound 和 sound like 的区别 heard of 与heard from的区别 heard of和heard from的区别 sound ,voice ,noise 的区别 hear、listen、sound的区别 sound、voice、 noise的区别 voice sound noise的区别~~ voice和sound的区别 Voice 和 sound 的区别 sound与voice的区别 Heard losts of times,the song doesn't sound as nice as hefore 为什么用heard 而不能用having heard?讲明区别和为什么 yet ever before的区别是什么?还有一个heard from heard over heard of的区别 sounds like和sound的区别 sound,hear,listen to,listen的区别 sound,listen to,hear,listen的区别? voice与sound与noise的区别