subtraction 词态变化
复数: subtractions;动词: subtract;
subtraction 英文词源
- subtraction (n.)
- c. 1400, "withdrawal, removal," from Late Latin subtractionem (nominative subtractio) "a drawing back, taking away," from past participle stem of Latin subtrahere "take away, draw off, draw from below," from sub "from under" (see sub-) + trahere "to pull, draw" (see tract (n.1)). The mathematical sense is attested from early 15c.
Þou most know þat subtraccion is drawynge of one nowmber oute of anoþer nomber. ["The Crafte of Nombrynge," c. 1425]
subtraction 英文释义
- 1. an arithmetic operation in which the difference between two numbers is calculated;
- "the subtraction of three from four leaves one"
- "four minus three equals one"
- 2. the act of subtracting (removing a part from the whole);
- "he complained about the subtraction of money from their paychecks"
subtraction 双语例句
- 1. I looked at what he'd given me and did a quick subtraction.
- 我看着他给我的东西，快速做了个减法。
来自柯林斯例句
- 2. She's ready to learn simple addition and subtraction.
- 她已经可以开始学习简单的加减法。
来自柯林斯例句
- 3. children learning addition and subtraction
- 学习加减的儿童
来自《权威词典》
- 4. The difference is found by subtraction.
- 用减法得出差额.
来自《简明英汉词典》
- 5. The plus sign is used in addition and the minus is used in subtraction.
- 加号用于加法;减号用于减法.
来自《简明英汉词典》
subtraction 实用场景例句
- I looked at what he'd given me and did a quick subtraction.
- 我看着他给我的东西，快速做了个减法。
柯林斯例句
- The difference is found by subtraction.
- 用减法得出差额.
《简明英汉词典》
- The plus sign is used in addition and the minus is used in subtraction.
- 加号用于加法;减号用于减法.
《简明英汉词典》
- There will be simple tests in addition, subtraction, multiplication and division.
- 会有对加、减、乘、除运算的简单测试。
辞典例句
- In a subtraction operation, the number or quantity subtracted from the minuend.
- 在减法运算中, 从被减数减去的那个数或量.
辞典例句
- Addition, subtraction, multiplication, and division are binary operations.
- 加 、 减 、 乘 、 除都是二元运算.
辞典例句
- We do addition and subtraction in arithmetic.
- 在算术里,我们作加减运算.
辞典例句
- Typical operations are addition, subtraction, multiplication, division, and square root.
- 典型的操作是加 、 减 、 乘 、 除和平方根的计算.
互联网
- They made a subtraction of 50 dollars from my salary.
- 他们从我的薪水里扣除了五十美元.
互联网
- An approach to speech - sound enhancement is proposed based on the spectral subtraction.
- 摘要提出了一种基于谱减法的语音增强算法.
互联网
- The simple arithmetic operations are addition, subtraction, multiplication, and division.
- 简单的算术运算是加法 、 减法 、 乘法和除法.
互联网
- Mum: Have you learned addition , subtraction, multiplication , and division, Lucy?
- 妈妈: 露西,你学了加减乘除了 吗 ?
互联网
- Digital subtraction angiography ( DSA ) should be taken routinely after operation.
- 术后常规行DSA全脑血管造影术.
互联网
- And the circuit for moving eyes left does mental subtraction.
- 而控制眼球左转的脑回路同时也负责心算减法.
互联网
- Students who cannot even do simple addition and subtraction.
- 学生甚至不会做简单的加法和减法.
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