 |
| |||
| environmental degradation; environmental deterioration | |||
| deterioration of environment; environmental impairment | |||
| ухудшение качества окружающей среды: 4 短语, 1 学科 |
| 生态 | 4 |
|
| |||
| environmental degradation; environmental deterioration | |||
| deterioration of environment; environmental impairment | |||
| ухудшение качества окружающей среды: 4 短语, 1 学科 |
| 生态 | 4 |