effect/ɪˈfekt/ n 效应,影响 v 使发生;实现;引起
记忆:核心意思就是:产生的后果。词源方面:ef-off,fect=fact做,做过之后产生的影响,影响都是向外的。
the effect of heat on metal 热对金属产生效应(metal 金属,是重要的材料 material,常用来制作medal奖牌,奖章)
dramatic/long-term effects 引人瞩目的/长期的影响 (dramatic戏剧性的,来自drama戏剧)
The overall effect of the painting is overwhelming这幅画总体效果气势磅礴(overwhelming来自overwhelm v 压倒,淹没)
Add a scarf for a casual effect(casual 随意的)
effect
effective/ɪˈfektɪv/ v 有效的,实际上
Aspirin is a simple but highly effective treatment.(treatment 来自 treat v 治疗,处理)
the effective, if not the actual, leader of the party未在其位,却实际上是党的领导人
effectively/ɪˈfektɪvli/ adv 有效地,实际上
The company must reduce costs to compete effectively.公司要有效的参与竞争必须要降低开支。(compete,com-一块,pet-追寻,一块追寻的:竞争)
He was very polite but effectively he was telling me that I had no chance of getting the job.
efficient/ɪˈfɪʃnt/ a 效率高的,有能力的
和effect对比记忆吧,词源上没有什么差别。
an efficient secretary 效率高的秘书(secretary 来自 secret n 秘密 a 秘密的)
the efficient use of energy 能源的有效利用(energy n 能量,能;energetic a 精力旺盛的,能力充沛的 )
efficiency/ɪˈfɪʃnsi/ n 效率,功率,效能
improvements in efficiency at the factory(improvement 来自 improve v 改善,改进;-in-里面,prove-证明,测试。证明给你看)
We are looking at our business to see where savings and efficiencies can be made.
efficiency
efficiently adv 有效地,效率高地。作为有效地讲,和effectively可以互换。
he plan is designed to motivate employees to work more efficiently.激励员工更叫高效的工作(motivate,-mo-move,ti-it=go,往前移动:激励,前进)
She deals with all the correspondence promptly and efficiently(correspondence 来自 respond v 回复,回应,-cor,一块回复回应:信件,通信。promptly[ˈprɒmptli] adv 立即,迅速,马上,pro-前,ompt=-empt 拿,prompt a 迅速的,立即的)