subtraction
[səb'trækʃən]
n. 减法；减少；差集
同义词
反义词
参考例子
1.When we do subtraction, we take things away.
当我们做减法的时候，我们取走事物。
2.We do addition and subtraction in arithmetic.
在算术里，我们作加减运算。
3.Math Quiz Application - Math quiz program for addition, subtraction, multiplication and revision of wrong answers.
这是一个数学猜谜程序，可用于加法，减法，乘法，并能修改错误答案。
英文解释
n.
1.an arithmetic operation in which the difference between two numbers is calculated
2.the act of subtracting (removing a part from the whole)
网络释义
subtraction
减法; 差集; 减去法（放射诊断学）; 减法运算;
subtraction sentence
减法句子;
subtraction circuit
减法电路; 释义：比较电路,减法电路; 相减电路; 减法电路,相减电路;
source subtraction
减源法;
Temporal Subtraction
时间减影;