| 释义 |
e.co.sys.temH5i:7kEJ.sIs7tEm, $-koJ-n [C]the plants, animals and people living in an area together with their surroundings, such as earth and weather, considered as a system of relationships生态系(统)Pollution can have disastrous effects on the delicately balanced ecosystem.污染会对处于脆弱状态中的生态平衡产生破坏性影响。
|