词汇测验:

1. terrestrial

2. morass

3. audible

4. luminous

5. potable

6. captivate

7. caucus

8. discordant

9. wallow

10. nascent

11. penitent

12. linchpin

13. immutable

14. commodious

15. harrowing

16. verdant

17. cupidity

18. allocate

19. abstain

20. quagmire

剩余时间： 200 秒