## decimalpoint ### 名词 1. **小数点**(用于数字系统中分隔整数和小数部分的点)。 - 例句: - The number 3.14 has the decimal point after the digit 1.(数字3.14在数字1后面有小数点。) - The teacher asked the students to place the decimal point correctly in the answer.(老师要求学生在答案中正确地放置小数点。) ### 形容词 1. **小数点的**(与小数点有关的)。 - 例句: - The decimal point is often used in mathematical calculations.(小数点常用于数学计算中。) - The calculator displays numbers with decimal point accuracy.(计算器以小数点精度显示数字。) ### 词语辨析 - **decimal**:名词,指十进制的数字或数学系统。 - **decimal point**:名词,指小数点。 ### 词汇扩充 - decimal fraction:小数分数 - decimal system:十进制系统 ### 近义词 - point:点 ### 反义词 - whole number:整数 ### 柯林斯词典 - **decimal point** (noun) - In mathematics, the decimal point is the dot in a decimal number that separates the whole numbers from the fractions. - **decimal** (noun) - A decimal is a fraction that is written in the form of a dot followed by one or more numbers which represent tenths, hundredths, and so on. - **decimal** (adjective) - Decimal is used to talk about numbers and quantities that are expressed in the decimal system. - (数)小数的 ### 牛津词典 - **decimal point** (noun) - The dot used to separate the whole number part from the fractional part of a number written in decimal form. ### 用法 - The decimal point is commonly used in mathematical calculations and decimal numbers. --- ## Examples 1. The decimal point in 3.14 separates the whole number part from the fractional part.(数字3.14中的小数点将整数部分与小数部分分隔开来。) 2. The answer should be rounded to two decimal places after the decimal point.(答案应该在小数点后保留两位小数。) 3. Please remember to include the decimal point when writing down the measurement.(写下测量结果时请记得包括小数点。) 4. The calculator automatically adds the decimal point when entering a decimal number.(计算器在输入小数时会自动添加小数点。) 5. The student forgot to align the decimal points in the subtraction problem.(学生忘记在减法问题中对齐小数点。) 6. The teacher explained how to multiply decimal numbers without using the decimal point.(老师解释了如何在没有使用小数点的情况下相乘小数。) 7. The decimal point is an important concept in understanding place value.(小数点是理解位值的重要概念。) 8. The decimal point is used to indicate the precision of a measurement.(小数点用于指示测量的精度。) 9. The scientist recorded the data to five decimal places after the decimal point.(科学家在小数点后记录数据到小数点后五位。) 10. The student struggled with understanding the concept of the decimal point.(学生在理解小数点的概念方面遇到了困难。) 11. It is important to place the decimal point correctly to ensure accurate calculations.(将小数点放置正确以确保准确计算是很重要的。) 12. The decimal point is used to separate the whole number part from the fractional part of a decimal number.(小数点用于分隔小数的整数部分和小数部分。) 13. The decimal point can be moved to the left or right to change the value of a decimal number.(可以将小数点向左或向右移动以改变小数的值。) 14. When converting a fraction to a decimal, the decimal point is used to indicate the position of the numerator.(将分数转换为小数时,小数点用于指示分子的位置。) 15. The student needs to remember to line up the decimal points when adding or subtracting decimal numbers.(学生在相加或相减小数时需要记得对齐小数点。) 16. The answer should be rounded to the nearest hundredth after the decimal point.(答案应该在小数点后四舍五入到最近的百分位。) 17. The decimal point is used to separate the dollars from the cents in money amounts.(小数点用于在货币金额中将美元与美分分开。) 18. The scientist calculated the result to three decimal places after the decimal point.(科学家将结果计算到小数点后三位。) 19. The decimal point is a crucial element in understanding the concept of decimals.(小数点是理解小数概念的关键要素。) 20. The student struggled with placing the decimal point correctly in the division problem.(学生在正确放置除法问题中的小数点方面遇到了困难。)