6829.coal(名)煤
Coal gas is produced by the gasification of coal．
煤氣是由煤的氣化作用得到的。

6830.coalition(名)聯盟
Coalition military operations are progressing and will succeed.
聯盟的軍事行動正不斷取得進展，必將獲得成功。

6631.coarse(形)粗俗的
His coarse remarks about women offended her．
他對女人粗俗的評語使她感到不舒服。

6632.coastline(名)海岸線
As evening came，the coastline faded into darkness．
夜晚降臨時，海岸線在黑暗中逐漸消失了。

6633.coating(名)外層
It needs another coating of paint.
它需要再上一層漆。

6634.coax(動)哄誘
The child wasn't hungry, but his mother coaxed him into eating a little．
那孩子不餓，可是他媽媽哄他吃點東西。

6635.cocaine(名)古柯堿
Cocaine is a drug.
古柯堿是一種麻醉藥品。

6636.cockpit(名)駕駛艙
He climbed into the cockpit and started the engine.
他爬進座艙，把發動機開動起來。

6637.cockroach(名)蟑螂
簡稱roach
The inspector find a cockroach in the kitchen．
檢查員在廚房發現一只蟑螂。

6638.cocktail(名)雞尾酒
How about our special cocktail?
嘗嘗我們特制的雞尾酒怎么樣？

6639.coexist(動)共存
The war started because the two countries couldn't coexist peacefully.
兩國因為無法和平共存，所以爆發了戰爭。

6840.conffin(名)棺材
They draped the flag over the soldiar's conffin.
他們把國旗蓋在那個戰士的棺木上。

6841.coincide(動)同時發生
The Queen's visit is timed to coincide with the country's centenary celebratians.
女王到訪日期安排在該國一百周年國慶期間。

6842.coincidence(名)巧合
We haven't planned to meet; it was just coincidence.
我們并沒有事先安排，這次見面純屬巧合。

6843.collision(名)相撞
It was a head-on collision and the driver was killed instantly.
兩車迎頭相撞，司機當場死亡。

6844.colonel(名)陸軍上校
He gained the rank of colonel.
他獲得了上校的職位。

6845.colonial(形)殖民的
Spain used to be a major colonial power.
西班牙以往是個殖民強國。

6846.colonist(名)開拓者
Many of the old puritan colonist retain their factious temperament in the new world.
許多清教徒開拓者在新大陸仍保持他們好爭論的脾氣。

6847.colony(名)殖民地
They planted a colony there.
他們在那里建立了殖民地。

6848.color-blind(形)色盲的
Somepeople can't tell red from green,as they are color-blind．
有些人分別不出紅色和綠色，因為他們患有色盲癥。

6849.columnist(名)專欄作家
The newspaper has a very popular columnist comment on current affairs．
這家報紙有一位深受歡迎的專欄作家評論時事。

6850.combat(動)戰斗
The nation will to combat all invaders.
這個民族將和所有的入侵者戰斗。

6851.combination(名)結合
The team managar still hasn't found the right combination of players.
領隊仍未找出合適的選手搭配。

6852.combine(動)使結合
The two organizations combined to form one company．
兩個機構合并為一家新公司。

6853.comical(形)滑稽的
He looked highly comical wearing that tiny hat.
他戴著那頂小帽子，看上去真滑稽。

6854.commander(名)指揮官
Decision io necessary for commander．
果斷是一個指揮官必不可少的。

6855.commemorate(動)紀念
This symposium is being held to commemorate this grand occasion．
這次會議是為紀念這個重大的日子而召開的。

6856.commence(動)開始
同義詞begin
The performances will commence at 6:30 p.m.
演出將于晚上6點30分開始。

6857.commend(動)稱贊
同義詞praise
Dean was commend for his excellent work.
迪安工作表現出色，受到嘉許。

6858.commentary(名)評論
They kept a running commentary on the speech.
他們對那次講話作了連續的評論。

6859.commentator(名)實況播音員
Our commentator will now set the scene in the stadium.
實況播音員現在就要在體育場向我們做報導。

6860.commercial(形)商業的(名)商業廣告
(形):Open the area to commercial development.
開放這個區域作為商業發展之用。
(名):The TV show was cut by many commercial.
這個電視節目被很多商業廣告中斷。

6861.commission(名)傭金
Agents get 10% commission on everything they sell．
代理商收取相當于貨價一成的傭金。

6862.commissioner(名)特派員
He is the high commissioner of this society.
他是這個團體的特派專員。