1、Allosaurus was the top predatory dinosaur of the late Jurassic period in North America.
異龍是最大的掠奪性恐龍的晚侏羅紀(jì)期間在北美地區(qū)。

2、The Allosaurus walked on two feet, but was slow. The Allosaurus could run.
異特龍是兩條腿走路，但走的很慢，它也能跑。

3、The Allosaurus was a meat eater.
異特龍是肉食動物。