 |
| |||
| 四元的; 四组分〔分量〕的 | |||
|
four -component : 13 phrases in 5 subjects |
| Bridge construction | 1 |
| Metallurgy | 3 |
| Navigation | 2 |
| Space | 1 |
| Technology | 6 |
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