fractions的音標(biāo)是[?fres?k?z]；基本翻譯為分?jǐn)?shù)；速記技巧為：分?jǐn)?shù)詞尾如果是y則變i再加eth。

英文中的分?jǐn)?shù)（fractions）一詞源于拉丁語“fracxio”，意為“分割”。在英語中，分?jǐn)?shù)通常用數(shù)字和/或字母表示，如1/2（二分之一），3/4（四分之三）等。

分?jǐn)?shù)的變化形式包括分子和分母的互換、增加或減少零等。例如，將分子和分母互換位置可以得到倒數(shù)（reciprocal），如2/3的倒數(shù)為3/2。分?jǐn)?shù)也可以通過添加或減少零來改變，如將分?jǐn)?shù)3/4變?yōu)?/5，即增加了零。

相關(guān)單詞包括以下幾種：

1. 分子（numerator）：表示分?jǐn)?shù)中正方形的數(shù)量。

2. 分母（denominator）：表示分?jǐn)?shù)中矩形的數(shù)量。

3. 倒數(shù)（reciprocal）：與分?jǐn)?shù)互為倒數(shù)的關(guān)系，表示兩個數(shù)之間的比值關(guān)系。

4. 除法（division）：將一個數(shù)除以另一個數(shù)得到商，可以用分?jǐn)?shù)表示商。

5. 通分（reduction）：將分?jǐn)?shù)通分后得到更小的分?jǐn)?shù)，以便于加減運(yùn)算。

6. 約分（simplification）：將分?jǐn)?shù)約分后得到更簡單的分?jǐn)?shù)形式。

7. 分?jǐn)?shù)加法（addition of fractions）：將兩個分?jǐn)?shù)相加得到新的分?jǐn)?shù)。

8. 分?jǐn)?shù)減法（subtraction of fractions）：將兩個分?jǐn)?shù)相減得到新的分?jǐn)?shù)。

9. 整數(shù)（integer）：表示不能被其他數(shù)整除的數(shù)。

10. 小數(shù)（decimal）：表示分?jǐn)?shù)的小數(shù)形式，如0.75表示四分之三。

常用短語：

1. one-third

2. two-fifths

3. one-eighth

4. three-quarters

5. half

6. two-thirds

7. one-fourth

雙語例句：

1. Our class accounts for one-third of the total number of students.

我們的班級占學(xué)生總數(shù)的三分之一。

2. The box contains two-fifths of apples.

這個盒子里裝著五分之二的蘋果。

3. One-eighth of the work has been completed.

工作已經(jīng)完成了八分之一。

4. Three-quarters of the money was spent on food and drink.

四分之三的錢花在食物和飲料上了。

5. Half of the students passed the exam.

一半的學(xué)生通過了考試。

6. Two-thirds of the class are girls.

這個班級三分之二是女生。

7. One-fourth of the land is covered by forest.

四分之一的土地被森林覆蓋。

英文小作文：

The importance of fractions cannot be overstated in mathematics and science, as they help us to understand and measure the world in a more precise way. For example, when we talk about fractions in cooking, we can easily calculate how much of each ingredient to use to achieve a specific taste or texture. Similarly, in finance, fractions are essential for understanding how money is divided between different uses, such as savings, investments, and expenses.

However, fractions are not only useful for practical applications. They also help us to understand mathematical concepts such as ratios and proportions, which are fundamental to many disciplines, including geometry, algebra, and calculus. In conclusion, fractions are an essential tool for understanding and analyzing the world around us, and they should be used and appreciated wherever possible.