efficacity的音標(biāo)是/ef??k?s?t?/，基本翻譯是效能，效率，速記技巧可以考慮使用發(fā)音相似的單詞或字母組合來(lái)幫助記憶。

Efficacity這個(gè)詞似乎是不存在的，可能是拼寫(xiě)錯(cuò)誤。不過(guò)，我可以為你提供與“efficiency”相關(guān)的單詞、詞源和變化形式以及相關(guān)的描述。

Efficiency:

詞源：該詞源自拉丁語(yǔ)“eficacia”，意為“效果、功效”。

變化形式：過(guò)去式：effected；過(guò)去分詞：effected；現(xiàn)在分詞：efficient；復(fù)數(shù)：eficiencies。

相關(guān)單詞：

1. Productivity：生產(chǎn)效率，指生產(chǎn)過(guò)程中產(chǎn)出與投入的比率。

2. Speed：速度，效率的一種表現(xiàn)形式，指完成某項(xiàng)任務(wù)或工作時(shí)所耗費(fèi)的時(shí)間。

3. Speedup：提速，指通過(guò)提高工作效率或改進(jìn)工作方法來(lái)加快工作進(jìn)度。

4. Effectiveness：效果，指某項(xiàng)活動(dòng)或措施所產(chǎn)生的實(shí)際結(jié)果和影響。

5. Efficient：高效的，指在完成任務(wù)或達(dá)到目標(biāo)方面表現(xiàn)出的高效率和效益。

6. Economical：節(jié)約的，指在資源利用和開(kāi)支方面表現(xiàn)出的節(jié)約和高效。

7. Thorough：徹底的，指在完成任務(wù)或工作中表現(xiàn)出的全面、細(xì)致和高效的特點(diǎn)。

8. Effectiveness Rate：效率比率，用于衡量某項(xiàng)活動(dòng)或任務(wù)的實(shí)際效果與預(yù)期效果的對(duì)比。

9. Efficiency Gains：效率提升，指通過(guò)改進(jìn)工作流程、技術(shù)或方法來(lái)提高工作效率和效益。

10. Maximize Efficiency：最大化效率，指通過(guò)合理規(guī)劃、優(yōu)化資源配置等方式來(lái)最大限度地提高工作效率和效益。

以上單詞都與“efficiency”相關(guān)，并且涵蓋了效率的不同方面和表現(xiàn)形式。這些單詞在英語(yǔ)中廣泛使用，并且在各種語(yǔ)境下都有其特定的含義和應(yīng)用。

常用短語(yǔ)：

1. effectiveness

例句： The new policy has been effective in improving efficiency in the company.

2. efficient

例句： The efficient way of doing this task is to use a computer program.

3. efficient use

例句： We should make efficient use of our time and resources.

4. efficacy

例句： The drug has been shown to have significant efficacy in the treatment of this condition.

5. effectuate

例句： The goal is to effectuate positive change in society.

6. effectiveness

例句： The organization has achieved high levels of effectiveness in its work.

7. effectivize

例句： It is necessary to effectivize the reform process to ensure its success.

英文小作文：

Title: Effectiveness in Modern Life

In modern society, effectiveness has become a crucial aspect of success and progress. Whether it"s in business, education, or personal life, effectiveness is essential. It helps us achieve our goals faster, improve our productivity, and make the most of our resources.

For instance, using a computer program to efficiently manage our tasks and projects can help us achieve our goals much faster than if we had to do it manually. Similarly, making efficient use of our time and resources in daily life can help us achieve our personal goals and improve our quality of life.

Moreover, effectiveness is also crucial in our professional lives. Being effective in our work helps us achieve our company"s goals, improve our productivity, and earn recognition from our superiors and colleagues. Effectiveness is also essential in maintaining healthy relationships with others, as it helps us communicate effectively and resolve conflicts efficiently.

Therefore, effectiveness is not just a key to success, but also a fundamental aspect of a happy and fulfilling life. By being effective, we can achieve our goals faster, improve our quality of life, and make the most of our resources.