6897.concentration(名)專心
This type of work requires total concentration.
做這種工作需要全神貫注。

6898.concept(名)概念
It is difflcult to grasp the concept of etemity.
永恒這個概念是很難懂的。

6899.concern(動)擔心
短語concern for
You needn't concern yourself for the hotel booking.The travel agent will take care of it.
你不必為預定酒店房間的事操心，旅行社會幫你安排的。

6900.concerning(介)關于
She refused to answer questions concerning her private life．
她拒絕回答有關她私生活的問題。

6901.concert(名)音樂會
The band is on tour doing concerts all over the country.
該樂團正在全國各地巡回舉辦音樂會。

6902.cancession(名)止步
短語make concession
Employers have been forced to make cancessions to the union．
雇主被迫對工會作出讓步。

6903.concise(形)簡潔的
He gave a clear and concise summary of what had happened.
他清楚扼要地敘述了事情的經過。

6904.conciusion(名)結論
After trying to phone Bob for days, I came to the conclusion that he was on holiday.
我一連幾天打電話結鮑勃都打不通，后來才是得到他去度假的結論。

6905.congrete(形)具體的
Can you give me a congrete example of what you mean?
能否舉個具體例子說明你的意思？

6906.condense(動)使凝結
Steam condense into water when it touches a cold surface.
水蒸氣接觸寒冷的表面即凝結成水珠。

6907.condom(名)保險套
There are some condoms in the bag．
袋子里有些保險套。

6908.confederation(名)聯盟
Unquestionably，the idea of a universal confederation and a perpetual peace is commended both by common sense and religion.
毫無疑問地，世界聯盟和持久和平的觀念是受到常識和宗教擁護的。

6909.confer(動)商談、協商
The President is conferring with his advisers.
總統正在征詢顧問的意見。

6910.conference(名)會議
The conference was terminated yesterday．
昨天的會議結束了。

6911.confession(名)供認
The police persuaded the man to make a full confession．
警方說服那名男子全盤招供.

6912.confide(動)吐露
She did not confide her love to anyone.
她沒有把她的戀情告訴別人。

6913.confidence(名)信心
The public is losing confidence in the present government．
民眾對目前的政府漸漸失去信心。

6914.congregate(動)聚集
The crowds congregate in the town square to hear the President.
人群聚集在城內廣場上聽總統演講。

6915.comgressional(形)國會的
The comgressional opponents zeroed in on the bill.
國會中的反對派把矛頭集中在那項議案。

6916.congressman(名)議員
According to the newspaper,the congressman is murdered.
根據報紙所述，議員是被謀殺的。

6917.conjecture(名)猜測
John didn't know the fact; what he said was pure conjecture．
約翰并不知道實情，他說的純屬猜測。

6918.conjunction(名)結合
The cause of the accident is the conjunction of technical and managerial factors.
事故的原因是技術因素和管理因素共同造成的。

6919.conquest(名)征服
They succeeded in the conquest of the city.
他們成功地征服了這座城市。

6920.conscientious(形)盡責的
He's aconscientious worker．
他是個非常盡忠職守的員工。

6921.conscious(形)神智清醒的
The injured driver was still conrscious when the ambulance arrived．
救護車到的時候，受傷的司機神智依然清醒。

6922.conscious(副)有意地
反義詞unconsciously
Balzac conscious set himself the task of writing "the natural history" of this socioty.
巴爾扎克有意識地為自己規定了為這個社會寫“自然史”的任務。

6923.consiousness(名)知覺
As he fell, he hit his head and lost consiousness.
他跌倒時撞到頭部，失去了知覺。

6924.consecutive(形)連續的
同義詞continuous
This is the team's third consecutive win.
這是該隊連續3次獲勝。

6925.consensus(名)一致
There is no consensus among experts about the causes of global warming．
關于全球氣候變暖的起因，專家們意見不一。

6926.consequent(形)因……的結果而起的、隨之發生的
The lack of rain and consequent poor harvests has led to food shortages.
由于缺乏雨水，以及隨之而來的歉收，導致食物短缺。

6927.consequently(副)因此
同義詞therefore
She didn't work hard enough, and consequently failed the exam.
她不夠努力，結果考試不及格。

6928.conservation(名)保護
同義詞protection
Conservation groups are protesting against the plan to build a road through the forest.
自然保護組織反對興建道路穿越森林的計劃。