1
do/perform subtraction
The students practiced doing subtraction with blocks.
学生们用积木练习做减法。
减法
先理解核心含义，再看它在真实句子里的用法。
减法
the arithmetic operation of finding the difference between two numbers
The students practiced doing subtraction with blocks.
学生们用积木练习做减法。
从一个数中减去另一个数的过程。
The process of subtracting a number from another.
计算两个数之差的算术运算
an arithmetic operation in which the difference between two numbers is calculated
涉及减法的计算
A calculation involving subtracting.
减去的动作(从整体中移除一部分)
the act of subtracting (removing a part from the whole)
In math class, we learned how to do subtraction with borrowing.
数学课上，我们学习了如何做带借位的减法。
AI contextual example
The worksheet has ten subtraction problems for the students to solve.
这张练习纸上有十道减法题要学生们解答。
AI contextual example
If you check your answer with subtraction, you can be sure it is correct.
如果你用减法检查答案，就能确定它是正确的。
AI contextual example
the subtraction of three from four leaves one
四减三等于一
WordNet
The students practiced doing subtraction with blocks.
学生们用积木练习做减法。
注意：of后为减数，from后为被减数。
Subtraction of 5 from 8 yields 3.
8减去5得3。
The subtraction of large numbers can be difficult.
大数的减法可能很困难。
In subtraction, you take away one number from another.
在减法中，你从一个数中减去另一个数。
Not this
I need to subtraction these numbers.
Use this
I need to subtract these numbers.
减法（subtraction）是名词，其动词形式是 subtract。中文学习者常因中文缺乏词形变化而误将名词用作动词。
Not this
Subtractions are a basic math skill.
Use this
Subtraction is a basic math skill.
作为算术运算的总称，减法是不可数名词，应使用单数形式。使用复数 subtractions 会错误地将其具体化为多个实例，导致主谓不一致。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
做减法
The children practiced doing subtraction with small numbers.
孩子们练习用较小的数做减法。
减法题
She solved the subtraction problem in her notebook.
她在笔记本上解了那道减法题。
加减法
The test covers addition and subtraction of whole numbers.
测试涵盖整数的加法和减法。
减号
Use a subtraction sign to show that you are taking away.
用减号表示你在减去。
进行减法运算
The calculator can perform subtraction instantly.
该计算器可以立即进行减法运算。
借位减法
Students learn subtraction with regrouping in second grade.
学生在二年级学习借位减法。
你会做减法吗？从八里减去九。
The Red Queen gives this subtraction test in Lewis Carroll's Through the Looking-Glass, and Alice famously replies that she cannot take nine from eight.
这是刘易斯·卡罗尔《爱丽丝镜中奇遇记》中红皇后出的减法题；爱丽丝的回答是她不会从八里减去九。
Use subtraction naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
sub（向下）+tract（拉/抽）：想象从一堆东西里“抽走”一部分，数量减少，剩下的就是差——减法。
语域：neutral 常见场景：数学课堂、日常计算、算术运算 “subtraction”指减法运算或减去某物的动作，通常用于数学和日常计算场景，属于中性、通用的表达。
这些词都含 /ækʃən/ 结尾，与 subtraction 的词尾读音相同：attraction, extraction, reaction, action, fraction, transaction。注意 lookalike：subduction /səbˈdʌkʃən/ 拼写相近，但元音是 /ʌ/，读音不同，不要混淆。
Dictionary facts from ECDICT, WIKTIONARY.