circum- 中英文意思 周围PPT

来源于拉丁语名词circus(圆), 介词circum(大约)

同源单词

circuit, circuitous, circumambulate, circumcision, circumference

circum- 中英文意思 表示”环绕, 周围”PPT

circumcise 环割(circum+cise切→环切)

circumference 周长(circum+fer带来→ence→带来一圈→周长)

circumnavigate 环航世界(circum+navigate航行)

circumscribe 限制(circum+scribe写→规定范围→限制)

circumspect 小心谨慎的(circum+stance站→站在周围→环境)

circumvent 回避(circum+vent走→绕圈走→回避)

prefix circum- 中英文意思 around,aboutPPT

来源于希腊语,意为"around,on all sides",其变形为circ,circu。此外,与circum意思相近的前缀还有ambi,peri.

circum-原来是个拉丁介词或副词,意思相当于around或about。作为一个介(副)词性质的原生词缀,它一般附在拉丁动词词干前,构成原生动词或相应的名词与形容词。在现代英语中,它也可以充当派生词缀,加在拉丁借词前,构成的往往是科技用词。

1.circlet

n.round band of gold or flowers worm as an ornament on the head,neck or arm,ring 环形饰物;戒指 *cire(=around)

例句:After the exhibition,several circlets were found to be missing from the royal jewels.展览结束以后,皇宫珠宝中的几个环形饰物不见了。

2.circuit

n.circular journey,detour;closed path for an electrical current 周游,巡回;电路,线路 *circ(=around),it (=go)

例句:Two switches had to be tumed to complete the electrical circuit.这个电路需要两个开关才能完成。

3.circulate

v.go around continuously,diffuse(使)流通,,(使)运行,(使)循环,(使)传播 (使成圆形) *circ (=around),lat(=carry)

例句:This herb is believed by the Chinese to help your blood circulate.中国人相信草药可以促进血液循环。

4.circumference

n.perimeter 圆周 (绕行) *circum (=around),fer (=carry)

例句:We learned in geometry that it is possible to caculate the circumference of a circle.学过几何后我们知道,圆的周长是可以计算出来的。

5.circumspect

adj.cautious,well-considered 慎重的,充分考虑的 (仔细向四周看看) *circum (=around),spect(=look)

例句:Since the accident,the bus company is much more circumspect about hiring inexperienced drivers.自从那次事故以后,公共汽车公司在雇用没有经验的司机时更加慎重了。