subtraction
US /səbˈtræk.ʃən/
UK /səbˈtræk.ʃən/

1.
减法
the process or skill of taking one number or amount away from another
:
•
He struggled with subtraction problems in math class.
他在数学课上为减法问题而苦恼。
•
Basic arithmetic includes addition, subtraction, multiplication, and division.
基本算术包括加法、减法、乘法和除法。
2.
移除, 扣除
the removal of something
:
•
The subtraction of certain features made the new model less appealing.
某些功能的移除使新模型吸引力下降。
•
The architect proposed the subtraction of a wall to create more open space.
建筑师提议拆除一堵墙以创造更多开放空间。