 |
| |||
| 海岭 | |||
| 海底脊; 大洋中脊 | |||
| 洋脊 | |||
|
oceanic ridge : 21 phrases in 6 subjects |
| Desert science | 1 |
| Earth sciences | 3 |
| Geology | 2 |
| Oil / petroleum | 6 |
| Technology | 8 |
| United Nations | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips