attribute: 歸因為
contribute:貢獻(xiàn)，投稿
brisk: 輕快
bristle: 硬毛，氣勢洶洶
barter: 物物交換
banter: speak to or address in a witty and teasing manner.
blight: withered, blast
boom: to make a deep hollow sound; to grow or cause to grow rapidly esp.

Calumniate: defame, malign libel
Culmination: reach the highest point Fulmination: 攻擊，指責(zé)
Canvas：油布
Canvass: to seek orders or votes: solicit
Cataclysm: a violent change or upheaval
Catalysis: 加速
Cessation：終止，（短暫）停止
Cession：割讓，轉(zhuǎn)讓
Concession：讓步，特許權(quán) Secession：脫離，退出
Cater：迎合，承辦
crater：火山口，彈坑
Circumscribe：限制 Proscribe：禁止
Compass: an enclose space Compassion: pity
Competent：勝任的，有資格的
contentious：引起爭議的
Contiguous: being in contact
Contingent: possible; happening by chance conditional
Consensus：全體意見一致
Censure：責(zé)難
Conversant: 精通
Convergent：會聚的
Confluence: the meeting of two or more streams Influence:影響 Refluence：逆流
Consign：托運(yùn) Resign：辭職
Crate：板條箱
Crave：渴望得到
Craven：膽怯的
Crayon：彩色筆；粉筆或其繪畫
Canyon：峽谷
Cozen: chest, defraud Cozy: snug, comfortable
Curb: hold in or back Curd: the thick protein rich part of coagulated milk Curdle:

spoil, sour
Declamation: speech Acclamation: shouted approval
Duration: 持續(xù)的時間 Induration：硬化
Denounce：指責(zé)，揭發(fā) Renounce：宣布放棄，拋棄