 |
| |||
| 全球性问题 | |||
| |||
| 全球问题; 全局问题 | |||
| 全球性问题 | |||
|
global problems : 5 phrases in 5 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Scientific | 1 |
| Technology | 1 |
|
| |||
| 全球性问题 | |||
| |||
| 全球问题; 全局问题 | |||
| 全球性问题 | |||
|
global problems : 5 phrases in 5 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Scientific | 1 |
| Technology | 1 |