1.concerning prep.關于(regarding)；就…而言(relating to)

詞根記憶：來自concern(v.涉及，關系到)

例:More evidence conceming women became available to historical researchers.

2.concert n.一致(agreement in design or plan);音樂會(a public performance of music)

詞根記憶：con(共同)+cert(確實的事)--共同確定的事--一致

例:He is working in concert with his colleagues.//concert tour巡回音樂會

3.concession n．讓步(the act of conceding)

詞根記憶：con+cess(行走，前進)+ion一向后走一讓步

例:It is important to continuously test the market and use the results to secure concessions from existing suppliers.

同根詞：secession(n.脫離;分離)

4.conclude v.推斷，做結(jié)論(to reach as a logically necessary end by reasoning)

詞根記憶：con+clud(關閉)+e一關閉，閉幕一做結(jié)論

例:Many analysts conclude that evidence of a recovering automotive market remains slight.

派生詞：conclusion(n．結(jié)論，結(jié)局)

同根詞：preclude(v.預防;杜絕)

5.concrete a．具體的，有形的(actual, definite);n.混凝土(a hard strong building material made by mixing cement with sand,gravel etc.and water)

聯(lián)想記憶：混凝土( concrete)當然是具體的，有形的(concrete)

例:a concrete instance 一個具體的例子

6.concurrent a.同時發(fā)生的(simuttaneous)

詞根記憶：con+current(發(fā)生的)--同時發(fā)生的

例:A concurrent sharp decline in the populations of seals and sea lions was certainly caused by a pollution-related disease.

7.condemn v.聲討，譴責(to criticize)

詞根記憶：con+demn(=damn傷害)--共同傷害--譴責

例:The principal condemned smoking by students at school.

派生詞：condemnation(n.譴責，定罪)

同根詞：damnify(v.損害)；indemnify(v.賠償，補償)

8.condense v.使冷凝，濃縮(to make denser)；縮短(to contract)

詞根記憶：con(一起)+dense(變濃厚)--濃縮

例:Warmed by the Sun, ocean water evaporates, rises high into the atmosphere, and condenses in tiny droplets on minute particles of dust to form clouds.

派生詞：condensation(n.濃縮)

9.condescending a.俯就的，屈尊的(patronizing)；有優(yōu)越感的(displaying a superior attitude)

詞根記憶：來自condescend(v.屈尊)

例:The professor had a condescending attitude toward uneducated people.

同根詞：descend(v.下降)；ascend(v.上升)

10.condition n．條件(a restricting or modifying factor)；情況(situation)；環(huán)境(environ-ment)

例:Several senior officials spoke to the press on condition that they not be named in the story.