ha-ha是什么意思？

ha-ha

英[hɑ:'hɑ:] 美[hɑ'hɑ]

• int. 哈哈！；
• n. 矮墙；

英英词典释义

• Noun
  1. a loud laugh that sounds like a horse neighing
  2. a ditch with one side being a retaining wall; used to divide lands without defacing the landscape