精选优质文档-倾情为你奉上翻译答案Unit 1Urban forestry involves (refers to / is concerned with) forestry activities introducing forestry from wild lands (fields) and countryside (rural regions) to populous cities where economy, culture, industry and business (commerce) are concentrated. Most metropolitan cities are currently prosperous but noisy (clamorous) with deteriorating ecological environment. People living in such a crowded and narrow city space suffer from a worsening (declining) physical quali
