Minus before a number or quantity means that the number or quantity is less than zero.
The aircraft was subjected to temperatures of minus 65 degrees and plus 120 degrees.
该飞机经受了零下65 度和零上120度的温度。
What's the square root of minus 1?
-1的平方是多少?
Teachers use minus in marking work in schools and colleges. 'B minus' is not as good as 'B', but is a better grade than 'C'.
I'm giving him a B minus.
我打算给他一个B-。
You use minus to show that one number or quantity is being subtracted from another.
One minus one is zero.
一减一等于零。
minuses
A minus is a disadvantage.
The minuses far outweigh that possible gain.
不利因素远远超过了那可能获得的收益。
To be minus something means not to have that thing.
The film company collapsed, leaving Chris jobless and minus his life savings.
这家电影公司倒闭了,使克里斯随即失去了工作,乃至他一生的积蓄。