v.  保护；保存 ≈ preserve

v.  节约〔水、能源等〕

n.  蜜饯；果酱 ≈ jam

• conservation

  n.  〔动植物、森林等的〕保护 ≈ preservation

  n.   保存；保护；节约

• conservationist 

  n. 〔动植物或古旧建筑的〕保护工作者；环境保护主义者

• conservancy

  n. 〔土地、河道等的〕管理局，管理机构

  n. 〔动植物、森林等的〕保护 ≈ conservation

• conserve energy/energy conservation  节约能源

• conserve the forests  保护森林

• conserve wildlife/wildlife conservation  保护野生动物

• the conservation of resources  保护资源

• strawberry conserve  草莓酱

• That's the highest percentage of an   28   economic zone devoted to marine conservation by any country in the world. 海洋保护

• Although the planned operation will be located more than 40 miles away, drawing the soda ash in through pipelines, conservationists worry it could still upset the natural water cycle and breeding grounds.

• So the Nature Conservancy launched a   29   war against the pigs, complete with helicopters and sharp shooters. 自然保护协会/机构/组织

• We must conserve our woodlands for future generations. 我们必须为子孙后代保护林地

BrE /əˌbriːviˈeɪʃn/   

NAmE /əˌbriːviˈeɪʃn/