effective

"effective"的音标为[ɪ"fektɪv]，基本翻译为"有效的"，速记技巧为：ef 辅+fect 词根（做）+ive 形容词词尾，表示“做出的结果”。

Effective这个词的词源可以追溯到拉丁语efficere，意为“做某事有效”。它的变化形式包括名词efficiency（效率）和副词efficiently（有效地）。

相关单词：

1. Efficiency（效率）：这个词指的是在完成某项任务或工作时所表现出的高效率或效果。例如，一个高效率的生产线可以生产出更多的产品，而一个高效率的团队可以更快地完成任务。

2. Efficiently（有效地）：这个词用来形容某个人或事物在完成任务或执行某项工作时表现出的高效和有效。例如，一个有效的沟通方式可以帮助人们更有效地传达信息。

在英语中，还有很多其他与“efficiency”和“effective”相关的词汇，例如effect（影响）、affect（影响）、effectuate（实现）等。这些词汇都与“做某事有效”这一概念有关。

以上内容仅供参考，建议查阅专业的英语词典获取更准确的信息。

常用短语：

1. effective immediately：立即生效

2. effective date：生效日期

3. effectively：有效地

4. efficiently：高效地

5. effectuate：实现

6. effectivenes s：有效性

7. effectively equivalent：等效的

双语句子：

1. This medication will be effective immediately.

这个药立刻见效。

2. The new policy will be effective from next month.

新政策从下个月开始生效。

3. We need to make sure that our actions are effectively efficient.

我们需要确保我们的行动高效。

4. The teacher taught us how to study effectively.

老师教我们如何有效地学习。

5. The new law will effectuate a change in the way we do business.

新法律将影响我们做生意的方式。

6. The new technology has greatly improved our productivity, making us more effectively equivalent to our competitors.

新技术大大提高了我们的生产率，使我们与竞争对手相比更具有竞争力。

7. Both of us are equally effective in our work.

我们俩在工作中都同样有效。

英文小作文：

Effective Communication Is Key to Success

Effective communication is essential for success in any situation. It allows us to understand others better, share ideas and information, and collaborate effectively to reach a common goal. When we communicate effectively, we are able to convey our thoughts and feelings clearly and accurately, which helps build trust and rapport with others. This trust and rapport can lead to better teamwork and increased productivity.

Effective communication also requires being open to feedback and learning from it. It is important to listen carefully to what others have to say and take their feedback into account when making decisions and taking action. By doing so, we can avoid misunderstandings and conflicts, which can hinder progress and derail our goals.

In conclusion, effective communication is key to success in any situation. It requires clear communication skills, openness to feedback, and the ability to collaborate effectively with others. By developing these skills, we can achieve our goals and succeed in any situation we encounter.