Eggs with the oldest known embryos of a dinosaur found

выкапывать, раскапывать, извлекать
to find sth in the ground by digging
unearth - ʌn'ɜːθ
Example: The eggs of Massospondylus, containing well-perserved embryos, were unearthed in South Africa back in 1976.

roam - rəum
бродить, путешествовать, скитаться, странствовать
to walk or travel around an area without any definite aim or direction
Example: The researchers used the embryos to reconstruct what the dinosaurs' babies might have looked like when they roamed the Earth.

vertebrate - 'vɜːtɪbreɪt
позвоночное животное
any animal with a backbone , including all mammals, birds, fish, reptiles and amphibians
Example: Having studied the fossilised eggs, the team, led by Professor Robert Reisz of the University of Toronto Mississauga in Canada, discovered that the embryos were the oldest ones ever found of any land-dwelling vertebrate.

Url: http://www.bbc.co.uk/news/science-environment-11734616