词汇测验:

1. extant

2. harrowing

3. acumen

4. ethereal

5. dour

6. abject

7. artifact

8. poignant

9. legerdemain

10. immerse

11. bashful

12. nondescript

13. abide

14. impetuous

15. diminutive

16. approbation

17. conduit

18. repulse

19. congeal

20. constrain

剩余时间： 200 秒