Submitted by admin on Thu, 04/24/2014 - 21:53
definition:
A large predatory semiaquatic reptile of an order that comprises the crocodiles, alligators, caimans, and gharial
sentence:
In other species, such as monitor lizards and crocodilians, the lungs are partitioned into chambers made up of an intricate net of support structures
difficulty:
hard
toefl frequency:
1
toefl classification: