Ka duba nassi da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar nassi: Fassara: Ana ba da hasashen ayyukan guguwa kafin kowane lokacin guguwa ta sanannun masana guguwa kamar Dr. William M. Gray da abokansa a Jami'ar Jihar Colorado.
bakwai