| |||
| rayon optique | |||
| rayon lumineux | |||
| rayon de lumière | |||
| |||
| rayons lumineux | |||
|
light ray : 5 phrases in 4 subjects |
| Agriculture | 2 |
| Astronomy | 1 |
| General | 1 |
| Metallurgy | 1 |
| |||
| rayon optique | |||
| rayon lumineux | |||
| rayon de lumière | |||
| |||
| rayons lumineux | |||
|
light ray : 5 phrases in 4 subjects |
| Agriculture | 2 |
| Astronomy | 1 |
| General | 1 |
| Metallurgy | 1 |