 |
| |||
| valence bond | |||
|
化合 键 : 21 phrases in 10 subjects |
| Agriculture | 1 |
| Chemistry | 3 |
| Earth sciences | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| General | 1 |
| Metallurgy | 3 |
| Polymers | 3 |
| 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