| 名称: | |
| 描述: | |
| 公开/私有: | 公开 私有 |
| 标题: | |
| 描述: | |
| 公开/私有: | 公开 私有 |
- arctic regions (2)
- alaska (1)
- barentsz, willem, (1)
- discoveries in geography (1)
- kamchatskai?a ?kspedit?sii?a (1)
- northeast passage (1)
- northwest coast of north america (1)
- novai?a? zemli?a? (russia) (1)
- scientific expeditions (1)
- 考试大纲 (1)
- 自学考试 (1)
主题
| 1. |
|
||
| 2. |
|
||
| 3. |
|
||
| 4. |
|
||
| 5. |
|
||
| 6. |
|
