0735名無しさん@英語勉強中 (ワッチョイW a733-m5QP)2018/04/24(火) 18:58:55.06ID:K6yQ6m4Y0 Their research suggests that dogs barks have evolved into a relatively sophisticated way of communicating with humans To see if humans can interpret what dogs mean when they bark. researchers played human volunteers 21 recordings of barking dogs.