int.哈哈！；n.矮墙； 英英释义： ha-ha[ 'hɑ:hɑ: ]n.a loud laugh that sounds like a horse neighing同义词：hee-hawhorselaughhaw-hawa ditch with one side being a retaining wall; used to divide lands without defacing the landscape同义词：sunk fencehaw-haw