英语"减"到底是哪个:subtract,reduce,minus?我都给搞糊涂了~~

subtract,reduce,minus都有减的意思。

subtract
减去，减
often foll.by from
后面常跟FROM
deduce(a part,quantity,or number)from another
减，减去（一部分，某数量或数字）
Eg:4 subtracted from 7 gives 3
7－4＝3

reduce
减少，缩小，简化，还原
To bring down, as in extent, amount, or degree
make or become smaller or less
Eg:reduce the speed(减速）;reduce one's expenditure（减少开支）

minus
减去，负的，减的。
with the substractiong of
Eg:seven minus four equals three.
7－4＝3

算术：
subtract 减
plus 加

minus

minus