subtraction

sәb'trækʃәn

高考托福

n. an arithmetic operation in which the difference between two numbers is calculated
n. the act of subtracting (removing a part from the whole)

n. 减少
[计] 减法

21,520

BNC 频率

21,980

使用频率

subtraction 由前缀 sub-（表示“下”或“在下面”）和词根 tract（来自拉丁语 tractus，意为“拉”或“拖”）以及后缀 -ion（表示名词）组成，整体意思是“从某个数中减去”的过程。

例句

1. Subtraction is one of the basic operations in math.

减法是数学中的基本运算之一。

2. To find the answer, you need to do the subtraction first.

要找到答案，你需要先进行减法。

3. She used subtraction to solve the problem in her homework.

她用减法来解决作业中的问题。