n.late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus

同義詞：allosaurus

1. The allosaur was a fearsome predator during the Jurassic period.
   異特龍是侏羅紀時期一種令人畏懼的掠食者。
2. Scientists discovered a well-preserved allosaur fossil in North America.
   科學家在北美發(fā)現(xiàn)了一具保存完好的異特龍化石。