原句

11'

A two-ton wombat

38'

a thousand pound kangaroo

46'

and a 500 pound bird

31'

now known as

18'

Genyornis newtoni

51'

were spread across

25'

the continent

11'

慢速
1

9'

2

12'

3

14'

正常
1

4'

2

8'

3

9'