subtract的过去式

1. 减去（某数）
2. 做减法
3. 去掉
4. 消去
5. 剔除掉
6. 减弱
7. 删除
8. 作减法
9. 扣除
10. 减损，（从整体中）去掉

1. make a subtraction;

   "subtract this amount from my paycheck"
   

2. take off or away;

   "this prefix was subtracted when the word was borrowed from French"
   

1.减;减去
If yousubtract one numberfrom another, you do a calculation in which you take it away from the other number. For example, if you subtract 3 from 5, you get 2.

e.g. Mandy subtracted the date of birth from the date of death...
曼迪用去世的日期减去出生的日期。
e.g. We havesubtracted $25 per adult to arrive at a basic room rate.
我们已给每位成人房客减去了 25 美元，这就是基本的房费价格了。

1. Please subtract a quarter of the money for your own use.
   请从你零用钱中扣除四分之一。
2. From this amount you need to subtract something to cover fixed overheads.
   你需要从总数中扣除一些钱去维持企业的正常运作。

• Add a moustache, subtract a moustache: nothing would alter his..nondescript appearance.

  出自：B. Chatwin

• A happy frame of mind subtracted ten..years from her.

  出自：R. Frame

subtract, deduct

这组词都可表示“减”“扣除”。其区别是：

subtract主要指数学上的“减去”,即甲数被乙数“减”; deduct指从全部〔整体〕(如工资、花费)中扣除某一部分。