1. circumference /səˈkʌmfərəns/

-- distance around a circle or rounded body; perimeter

The circumference of a circle equals π times the diameter.

圆周长等于π与直径的乘积。

 

 

2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/

-- roundabout way of speaking; use of an excessive number of words to express an idea.

The circumlocution "the game ended with a score that was not in our favor" should be replaced by "we lost the game".

“这场比赛在比分对我们不利的情况下结束”是绕圈子的话，应该说“我们输掉了这场比赛”。

 

 

3. circumnavigate /ˌsə:kəmˈnæviɡeit/ 

-- sail around

Ferdinand Magellan's expedition was the first to circumnavigate the globe.

费迪南德·麦哲伦的远征是第一次环球航行。

 

 

4. circumscribe /ˈsɜ:kəmˌskraɪb/

-- 1. draw a line around 

2. limit; restrict

The principal has requested all teachers to circumscribe failures in red on the report cards.

校长要求所有老师把成绩单上不及格的人用红笔圈起来。

The patient was placed on a very circumscribed diet; he was forbidden to have coffee, spices or raw fruits or vegetables.

这病人的饮食极受限制，他不能喝咖啡、不能吃辛辣的或生的水果蔬菜。

 

 

5. circumvent /ˌsɜ:kəmˈvent/

-- go around; get the better of; frustrate

To circumvent local sales taxes, shoppers often buy in neighboring communities that do not have such taxes.

为了逃避当地的货物税，购物者经常在邻近不征此税的社区买东西。

 

 

6. circumspect /ˈsɜ:kəmˌspekt/

-- looking around and paying attention to all possible consequences before acting; cautious; prudent

Don't jump to a conclusion before considering all the facts. Be circumspect.

在所有的事情未考虑好之前，不要仓促地下结论，要慎重点。