2. bulletin n [‘bulitin]公告，新快
3. burglar n ，夜
4. bestow v ，授予
5. cater (to)v 提供，供，好
6. charter v 包租，…可
7. clockwise adj 的
8. (Please turn the key in a clockwise direction.) anticlockwise 逆的
9. cluster n 一捆，一，一簇，一束(clusters of flowers)
10. clutch v 抓住(The mother clutched her baby in her arms.)
11. n 合器(ex：She released the clutch，and the car began to move.)
12. coherent adj [kəu’hiərənt] 前後一致的，理清楚的(a coherent argument)
13. coherence n 理性，性，一致性
14. commonsense n 常
15. commonwealth n 共和，邦
16. compensate v ，
(She use her good looks to compensate her lack of intelligence.)
17. complement v,n 充，足
(The two suggestions complement each other.
Rice makes an excellent complement of curry dish.)
18. compliment v,n 恭，美
(He complimented Erika on her appearance.
She paid me an enormous compliment.)
19. compulsory adj 必做的，制的，的
(Is English a compulsory subject?)
20. selective adj 的 (He is very selective in his reading.)
