 |
| |||
| unilateral movement | |||
| one-way motion; one-way movement; unidirectional motion | |||
| 单向运动: 4 phrases in 3 subjects |
| Engineering geology | 1 |
| Rail transport | 1 |
| Technology | 2 |
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