Wordnet polsko-angielski
(from 425 million to 405 million years ago
first air-breathing animals)
Silurian, Silurian period
Nowoczesny słownik polsko-angielski
the Silurian
Silurian period
(from 425 million to 405 million years ago
first air-breathing animals)
Silurian, Silurian period
the Silurian
Silurian period