hoarding/ˈhɔ:dɪŋ; `hɔrdɪŋ/ n1 (Brit) (US `billboard) large board used for displaying advertisements 大广告牌.2 temporary fence of light boards around a building site, etc 建筑工地等周围用轻木板临时搭起的围栏.
牛津英汉双解词典