Question

30. fac, fact, fect [L]=

Accepted Answer

to do, to make 做
fac，fact 和fect 是一组同源异形根，它们都来自拉丁动词facere，意思相当于to do 或to make
（做）。其中，fac 是不定式词干；fact 是动名词词干；fect 是动词facere 的异体ficere 动名
词词干。

facile [fac=to do 做；-ile a.=able or easy to be 能……的，易……的→“able or easy to be done
能做的，易办的”→] a.① working with ease;skilled 驾轻就熟的；熟练的：a man with a facile
tongue 能说会道的人② easily done 易做的：The work is facile, but take it serious.工作容易，
但还要认真对待。

▽facility [facil(e);-ity n.] n.容易；熟练
facilitate [facil(e);-itate(-ate) v.] v.使容易；促进

faculty [fac=to do 做；-ulty（-ile+-ty）n.=ability 表能力→“ability of doing things 做事情的能力”
→] n. ability to do;any particular power 能力；才能：faculty for painting 绘画的才能

▽facultative [facult (y);-ative a.] a.能力上的；才能上的

fact [来自动名词factum=thing done 做过的事情→“anything done or occurred 做过的或发生
过的事”→] n.① thing known to have occurred or to be ture 事实：Facts speak louder than
eloquence.事实胜于雄辩。② what is true or existent;truth;reality 实际；真相；实情：in fact
实际上

▽factual [fact;-u-;-al a.] a.事实的；真实的

factor [fact=to do 做；-or n.=thing 物→“thing that does or acts 起作用的事物”→] n. element
that brings about a result 因素；要素：positive factors 积极因素

▽factorial [factor;-ial a.] a. [数]因子的
factorize [factor;-ize v.] v. [数]将……分解因子

factory [fact=to make 制作； -ory n.=place 场所→ “ place for making 制作场所” → ] n.
working-building;workshop 工厂：chemical factory 化工厂

benefactor [bene=good 好；fact=to do 做；-or n.=person 人→] n. person who does good deeds or
gives friendly aid 做好事者；恩人：benefactors of an orphanage 孤儿院的施主

▽benefaction [bene;fact;-ion n.] n.行善；施恩

affect [af-(ad-)=upon 在……之上；fect=to do or act 起作用→“to act upon 作用于……之上”
→] v.① influence 影响：Climate affects the agricultural production.气候影响农业生产。② act
upon the feeling of 感动：The audience were deeply affected.观众深为感动。

▽affection [affect;-ion n.] n.影响；感情
affective [affect;-ive a.] a.感情方面的；表达感情的

effect [ef-(ex-)=out 出；fect=to make 造→“to make out 造出”→]Ⅰv.① produce;bring about
产生；招致：to effect a change in climate 引起气候变化② accomplish 实现：to effect the
greatest economy 力求节约→Ⅱ n. result made out, or influence 结果；影响：cause and effect
因与果

▽effective [effect v.;-ive a.] a.有效的；生效的
effectual [effect n.;-u-;-al a.] a.奏效的；有效的
effectuate [effect n.;-u-;-ate a.] v.使奏效；实现

defect [de-=away, down 离，下降；fect=to do 做→“to do away with one's duty, etc.离开所做
之事”→]Ⅰv. desert 开小差；背叛：He defected to the enemy.他叛变投敌了。→Ⅱn. things
down from the normal quality 毛病；缺点：He has the defects of his qualities.他有美中不足之
处。

▽defector [defect v.;-or n.] n.逃兵；叛徒
defection [defect v.;-ion n.] n.背信；变节
defective [defect n.;-ive a.] a.有缺点；不完全的

infect [in-=into 进入；fect=to make 使……→“to make...into the body 使……进入身体”→] v.
spread a disease to;affect with a disease 传染；侵染：The wound is infected.伤口受感染。

▽infection [infect;-ion n.] n.传染；传染病
infectious [infect;-i-;-ous a.] a.易传染的

perfect [per-=throughout 彻底；fect=to do 做→“to do throughout, or done thoroughly 做得彻
底”→]Ⅰa. complete and faultless 完美的：perfect method 完美的办法→Ⅱv. finish;make fully
skilled 使完成；使精通：Try to perfect yourself in English.努力精通英语。

▽perfection [perfect v.;-ion n.] n.尽善尽美

perfective [perfect v.;-ive a.] a.导致完美的；改善的
perfectible [perfect v.;-ible a.] a.可完成的；可改善的

N Make Effect Act Defect Perfect Facile Fac=To