| |||
| ανώτερο στρώμα | |||
| English thesaurus | |||
| |||
| Area above an altitude of 35 km | |||
|
upper-layer : 1 phrase in 1 subject |
| Earth sciences | 1 |
| |||
| ανώτερο στρώμα | |||
| English thesaurus | |||
| |||
| Area above an altitude of 35 km | |||
|
upper-layer : 1 phrase in 1 subject |
| Earth sciences | 1 |