minus

prep.

1. 减；减去
   used when you subtract (= take away) one number or thing from another one
   1. Seven minus three is four (7 – 3 = 4).
      七减去三等于四。
   2. the former Soviet Union, minus the Baltic republics and Georgia
      前苏联，不包括波罗的海诸共和国及格鲁吉亚
2. 零下
   used to express temperature below zero degrees
   1. It was minus ten.
      气温为零下十度。
   2. The temperature dropped to minus 28 degrees centigrade (–28˚C).
      气温降到零下28摄氏度。
3. 无，欠缺（曾经有过的东西）
   without sth that was there before
   1. We're going to be minus a car for a while.
      我们要过一段没有车的日子。

noun

1. 减号；负号
   the symbol (–), used in mathematics
2. 负值；缺点
   a negative quality; a disadvantage
   1. Let's consider the pluses and minuses of changing the system.
      我们来考虑一下改变系统的利弊吧。

adj.

1. 小于零的；负的
   lower than zero
   1. a minus figure/number
      负数
2. 负面的；使显得有欠缺的
   making sth seem negative and less attractive or good
   1. What are the car's minus points (= the disadvantages) ?
      这车的缺点是什么？
   2. On the minus side , rented property is expensive and difficult to find.
      不利因素是租房又贵又不好找。
3. 略低于A（或B等）
   slightly lower than the mark/grade A, B, etc.
   1. I got (a) B minus (B–) in the test.
      这次考试我得了个B–。

1. CONJ-COORD 减;减去
   You use minus to show that one number or quantity is being subtracted from another.
   1. One minus one is zero...
      1减1等于0。
   2. They've been promised their full July salary minus the hardship payment.
      他们已经得到承诺，7月份的工资除去辛劳补助外将全额发放。
2. ADJ 负的;小于零的
   Minus before a number or quantity means that the number or quantity is less than zero.
   1. The aircraft was subjected to temperatures of minus 65 degrees and plus 120 degrees.
      这架飞机曾经在零下65度和零上120度的温度下飞行。
3. 减(指学校评分中某一等级中的“略差”，但又好于下一个等级)
   Teachers use minus in grading work in schools and colleges. 'B minus' is not as good as 'B', but is a better grade than 'C'.
   1. I'm giving him a B minus.
      我准备给他一个B—。
4. PREP 失去;缺少
   To be minus something means not to have that thing.
   1. The film company collapsed, leaving Chris jobless and minus his life savings.
      电影公司垮了，克里斯没了工作，也失去了他一生的积蓄。
5. N-COUNT 不利条件；缺点
   A minus is a disadvantage.
   1. The minuses far outweigh that possible gain...
      弊端远远大于那可能获得的收益。
   2. The plusses and minuses were about equal...
      利弊大致均衡。
   3. None of these minus points will have been mentioned.
      这些不利因素都不会被提及。
6. PHRASE 上下;左右
   You use plus or minus to give the amount by which a particular number may vary.
   1. The poll has a margin of error of plus or minus 5 per cent.
      民意测验有上下5%的误差率。

1. Pure water sometimes does not freeze until it reaches minus 40 degrees Celsius.
   纯净水有时候要降到零下40摄氏度才会结冰。
2. One minus one is zero
   1减1等于0。
3. They've been promised their full July salary minus the hardship payment.
   他们已经得到承诺，7月份的工资除去辛劳补助外将全额发放。
4. I'm giving him a B minus.
   我准备给他一个B—。
5. The film company collapsed, leaving Chris jobless and minus his life savings.
   电影公司垮了，克里斯没了工作，也失去了他一生的积蓄。
6. The minuses far outweigh that possible gain
   弊端远远大于那可能获得的收益。
7. The plusses and minuses were about equal
   利弊大致均衡。
8. None of these minus points will have been mentioned.
   这些不利因素都不会被提及。
9. Nine minus four is five.; Four from nine is five.; Subtract four from nine and you have five.
   九减四得五。
10. He calculated his gains and losses of money and the result was a minus.
    他计算了收益和亏损，所得结果是个负数。
11. The temperature dropped to minus ten degrees centigrade.
    温度降到摄氏零下十度。
12. One minus one leaves nought [ zero].
    一减一等于零。
13. Five minus three is two.
    五减三等于二。
14. He emerged minus his hat.
    他露面时头上没有戴帽子。
15. Nine minus five leaves four.
    九减五余四。
16. He's keen, but his youth is a minus factor.
    他非常精明，但他的年轻却是个不利的因素。
17. I got a B for my last essay, but only a B minus for this one.
    我上一篇作文得了个b，但这一篇只得b-。
18. The statue survived through minus a leg.
    雕像幸存了下来，缺了一条腿。
19. Twelve from ten equals minus two.
    10减去12等于负2。
20. The plus sign is used in addition and the minus is used in subtraction.
    加号用于加法；减号用于减法。
21. And that gives you the ratio of k1 plus k minus one.
    那给出k1和k负1的比。
22. So this gives me p minus one constraints.
    这给了我们p-1个约束条件。
23. It is the value plus or minus something.
    而是这个值加上或减去某个东西。
24. This is the plus or minus, so the product of the uncertainty and the momentum.
    是加或减，所以不确定度和动量的结果。

prep.

plus or minus

• 或多或少；左右；大约
  used when the number mentioned may actually be more or less by a particular amount
  1. The margin of error was plus or minus three percentage points.
     误差幅度在三个百分点左右。

noun

1. an arithmetic operation in which the difference between two numbers is calculated
   1. the subtraction of three from four leaves one
   2. four minus three equals one

   Synonym:    subtraction

adj

1. involving disadvantage or harm
   1. minus (or negative) factors

   Synonym:    negative

2. on the negative side or lower end of a scale
   1. minus 5 degrees
   2. a grade of B minus