CSCD

CSCD不包含音标、基本翻译、速记技巧的相关信息，它是一本以中国科学文献数据库为基础建立的综合性文献数据库。如果您需要学习音标、基本翻译、速记技巧的相关信息，建议您参考其他资源，如专业教材、网络教程等。

CSCD（中国科学引文数据库）是一个广泛使用的学术文献数据库，它收录了大量的中文文献。然而，我无法提供英文词源、变化形式及相关单词。但是，我可以为您提供一些中文词汇及其相关的英文翻译和变化形式。

例如，“文化”这个词，在中文中表示人类社会的精神、知识和艺术等方面。在英文中，这个词可以翻译为“culture”，其变化形式包括名词“culture”和动词“to culture”。相关单词包括“cultural”（文化的）、“cultivation”（培养）、“culturology”（文化学）等。

再如，“历史”这个词，在中文中表示人类社会的发展过程。在英文中，这个词可以翻译为“history”，其变化形式包括名词“history”和形容词“historic”。相关单词包括“historical”（历史的）、“historical record”（历史记录）等。

希望这些例子能帮助您理解如何将中文词汇翻译成英文，并了解一些变化形式和相关单词。如果您需要更多信息，欢迎继续提问。

常用短语：

1. 好好学习，天天向上

Study hard and make progress every day.

2. 百闻不如一见

A thousand words are not as good as one sight.

3. 三个臭皮匠，顶个诸葛亮

Three cobblers with their wisdom equal Zhuge Liang"s.

4. 谋事在人，成事在天

Man proposes, Heaven disposes.

5. 天下无难事，只怕有心人

There is no difficulty in the world that dare not try a determined person.

6. 事实胜于雄辩

Facts speak louder than words.

7. 千里之行，始于足下

A journey of a thousand miles begins with a single step.

英文小作文：

Title: The Importance of Perseverance

Perseverance is the key to success. Just like the saying goes, "A journey of a thousand miles begins with a single step." It takes time and effort to achieve our goals, but if we keep going, we will eventually reach our destination.

In my opinion, success is not just about having talent or intelligence, but also about having the courage to face challenges and the determination to keep going when things get tough. We all face obstacles and setbacks in life, but if we have the spirit of perseverance, we can overcome them and achieve our goals.

Throughout history, many great people have shown us that perseverance is the key to success. For example, Thomas Edison"s invention of the light bulb is a testament to his perseverance. He failed over 10,000 times before he finally succeeded, but he never gave up and kept trying until he achieved his goal.

On the other hand, we can also see examples of people who gave up easily and lost opportunities because they lacked perseverance. These people may have had the potential to achieve great things, but they lacked the courage and determination to pursue their goals.

In conclusion, perseverance is the key to success. It takes time and effort to achieve our goals, but if we have the courage to face challenges and the determination to keep going, we can overcome any obstacle and achieve our dreams.