1、 The city was burnt to a desolate waste、这城市被焚毁成废墟。
2、 A lot of poisonous waste from the chemical works polluted the river、化工厂的许多有毒废料污染这条河。
3、 Long dry periods wasted the land、长期的干旱使土地荒芜。
4、 Turn the water off、 Don't let it waste、把水关上，别让它白白流掉。
5、 He was wasted by disease、他因患病而虚弱。