dern

"dern"的音标是[dərn]，基本翻译是“究竟，到底”。

速记技巧：这个单词的发音比较简单，只需要注意字母n的发音时要浊化，即发音时声带要振动。同时，单词的含义与“究竟”有关，可以结合上下文语境来记忆。

英文词源：derivation

变化形式：

1. derivation (名词)

2. derive (动词)

相关单词：

1. derivative (派生词) - 来自拉丁语 derivare，意为“获取，取得”。它通常用来形容从其他事物中派生出来的概念，如“derivative idea”（派生思想）。

2. derivational (形容词) - 描述与派生相关的。例如，“derivational analysis”（派生分析）指的是对语言或概念起源的分析。

3. deduction (名词) - 来自拉丁语 deductio，意为“向下拉，引出”。它通常用来描述从已知事实或数据中推断出未知事实或结论的过程。

4. deduce (动词) - 意为“推断，推论”。例如，“to deduce the answer from the question”（从问题中推断出答案）。

5. derivationism (名词) - 意为“派生主义”，是一种强调从基本原则中推导出的理论或方法。

6. derivationist (名词) - 意为“派生主义者”，通常指支持派生方法或理论的人。

例句：The scientist used deductive reasoning to arrive at a new theory about the origins of the universe.（科学家运用演绎推理得出关于宇宙起源的新理论。）

以上单词和例句可以帮助我们理解derivation及其变化形式和相关单词的含义和用法。这些单词在英语中具有丰富的含义和用途，可以帮助我们更好地理解和使用英语。

常用短语：

1. by the way 顺便问一下

2. all over the world 全世界

3. at the same time 同时

4. as soon as 一…就…

5. come on 快点

6. for example 例如

7. in a minute 一会儿

双语句子：

1. I will call you as soon as I arrive at the airport.

一到达机场我就给你打电话。

2. She is from all over the world.

她来自全世界。

3. Please wait me at the same time.

请等我一下。

4. He is always there for me, no matter what.

无论何时何地，他总是在那里支持我。

5. I will meet you at the station, as soon as I finish work.

我一结束工作就赶去车站接你。

6. Come on, we need to get to the airport on time.

快点，我们需要准时赶到机场。

7. Can you wait for me for a minute? I need to use the restroom.

你能等我一会儿吗？我需要去洗手间。

英文小作文：

The Importance of Time

Time is a precious resource that we all have finite amount of. We need to make sure that we use it wisely to achieve our goals and dreams. It is important to prioritize our tasks and schedule our time efficiently to avoid being overwhelmed by work or responsibilities. We should also take time to relax and unwind to recharge our batteries and maintain a healthy lifestyle. By managing our time effectively, we can achieve more in our career and personal life, and live a fulfilling and happy life.