英语翻译Even in our sleep pain which cannot forget falls drop by

drop in or drop by? drop by,drop on和drop in 英语翻译Every drop of rain that falls in Sahara Desert says it a drop in与drop by的区别 "drop by","drop in"的区别? drop in 与drop by区别 drop in和drop by的区别 drop in和 drop by 的区别 Tear drop by drop,little by little pain,this feeling..这句翻译成中 We often just drop by our friends' 英语翻译we often just drop by our friend's homes.We don't usuall 英语翻译drop offdrop in drop downdropping off