VOA慢速英语:拉斯维加斯计划禁止铺设纯装饰草坪

turf- n. - the upper layer of ground that is made up of grass and plant roots

casino –n. a building or room that has games of chance that people play for money

excess- adj. an amount that is more than the usual or necessary amount

backyard- n. an area of grass behind someone's house