billionth

billionth的音标是[ˈbɪljənθ]，基本翻译是十亿分之一，速记技巧是谐音记忆，可以联想为“比一亿少一点”。

billionth这个词的词源可以追溯到拉丁语词素“bilion”和“-us”，表示“百万”的意思。它的变化形式主要有复数形式“billions”和比较级形式“billiarch”。

相关单词：

billion：这个词是最常见的，表示“十亿”。

multi-billionaire：表示“拥有数十亿财产的人”。

trillion：表示“万亿”，是billion的十倍。

bilionaire：这个词比较少见，表示“拥有数百万财产的人”。

bilionth：表示“百万分之一百”。

bilionfold：表示“百万倍”。

这些单词都与billionth有着密切的联系，并且可以反映出billionth在英语中的使用和含义。

至于相关单词的数量，由于英语中有很多与billionth相关的词汇，所以无法给出确切的数量。但是，可以列出一些常见的单词，如：millions, billions of, trillions, quadrillion, quintillion, sextillion等，这些单词在英语中都与billionth有着密切的联系。

总之，billionth这个词在英语中有着广泛的应用，并且反映了英语词汇的多样性和变化性。

常用短语：

1. billionth part

2. billionth of a second

3. billionth digit

4. billionth of an inch

5. billionth of a gram

6. billionth of a degree

7. billionth of a second later

例句：

1. The scientist calculated the probability with billionth precision.

2. The car traveled billionth of an inch past the stop line.

3. The company"s profit margin is billionth of a percentage point higher than last year"s.

4. The new technology can save billionth of a second in production time.

5. The doctor checked the patient"s temperature with billionth digit accuracy.

6. The satellite traveled billionth of an inch above the ground.

7. The game was delayed billionth of a second because of technical difficulties.

英文小作文：

The importance of precision

Precision is essential in many aspects of our lives, from scientific research to daily tasks. Whether it"s calculating a number to the billionth digit, or measuring a distance to the billionth of an inch, precision helps us make accurate decisions and achieve our goals.

When we work with precision, we can avoid errors and reduce risks. For example, a company that measures its profit margin to the billionth of a percentage point can make better decisions about its business strategy. A doctor who checks a patient"s temperature with precision can provide better care for the patient"s health.

Precision also helps us improve our productivity and efficiency. When we work with precision, we can save time and resources, which can lead to faster progress and better results. For instance, a scientist who calculates a number to the billionth part can make important discoveries that could change the world.

In conclusion, precision is essential in our daily lives and can help us achieve our goals. By working with precision, we can make better decisions, improve our productivity and efficiency, and create positive impacts in our world.