一线口语E2say

2016-3-1 17:17:21

英文中各种符号标点怎么说?一起来看看吧~

你知道哪些符号标点呢?你知道英语中标点符号怎么说吗?2x(-4)=-8你能用英语把这个等式(equation)读出来吗?被难倒了吧!别着急!看完下面双语君给你整理的各种数学符号和标点符号的英文表达,你马上就会说了!

01

+: plus 加号;正号

“1+1”读作:one plus one

02

-: minus; negative 减号;负号

“2-1”读作:two minus one

“-3”读作:minus three或negative three

“2-(-3)”读作:two minus negative three

03

±: plus-minus sign 正负号

“±1” 读作:plus or minus one

04

×: multiplied by ; times 乘号

“2×3” 读作:two multiplied by three 或 two times three

05

÷: divided by 除号

“4÷2”读作:four divided by two

06

=: equals; is equal to 等于号

“1+1=2”读作:One plus one equals two.

或 One plus one is equal to two.


07

≠: is not equal to 不等于号

“a≠b”读作:a is not equal to b

08

≌: congruent to 全等(两个图形形状相同、大小相等)

“△ABC≌△DEF”读作:Triangle ABC is congruent to Triangle DEF.

09

≈: approximately equal to 约等于号

“3×3≈10” 读作:Three multiplied by three is approximately equal to ten.

10

<: is less than 小于号

“1<2”读作 One is less than two.

11

>: is greater than 大于号

“2>1”读作:Two is greater than one.

12

≮: is not less than 不小于号

“3≮2”读作:Three is not less than two.

13

≯: is not greater than 不大于号

“2≯4” 读作:Two is not greater than four.

14

≤: is less than or equal to 小于或等于号

“2≤3”读作:Two is less than or equal to three.


15

≥: is greater than or equal to 大于或等于号

“5≥4”读作:Five is greater than or equal to four.

16

%: percent 百分之……

“10%”读作:ten percent

17

‰ : per mill ; per thousand 千分之……

“10‰”读作:ten per thousand

18

∞: infinity 无限大号

“-∞” 读作:negative infinity

19

∝: varies as 与...成比例

“X∝Y”读作:X varies as Y

20

√ ̄: square root 平方根

“√ ̄16=4”读作:The square root of sixteen is four.

21

3√ ̄: cube root 立方根

“3√ ̄27=3”读作:The cube root of 27 is 3.

22

∵: since; because 因为

“∵1+1=2”读作:because one plus one equals two

23

∴: hence; therefore 所以

“∴1<2”读作:hence one is less than two

24

∠: angle 角

“∠A”读作:angle A

“∠A +∠B+∠C=180°”

读作:The measure of angle A plus angle B plus angle C equals 180 degrees.

25

⌒: semicircle 半圆

“⌒AB”读作:semicircle AB

26

⊙: circle 圆

“⊙A”读作:circle A

27

○: circumference 圆周

“○=π×d”读作:Pi multiplied by d equals circumference.

28

π: pi constant 圆周率

“π×d”读作:pi multiplied by d

29

△: triangle 三角形

“△ABC”读作:triangle ABC

What is the area of triangle ABC? 求三角形ABC的面积。

30

⊥: perpendicular to 垂直于

“A⊥B”读作:A is perpendicular to B.

31

//: parallel to 平行于

Line AB is parallel to line CD.

32

∪: union of 并,合集

A∪B”读作:the union of A and B

33

∩: intersection of 交,通集

“A∩B”读作:The intersection of A and B

34

∫: the integral of ……的积分

“∫x”读作:the integral of x

35

∑: summation of 总和

“∑x”读作:the summation of x

36

equation 方程式、等式

“y = kx” 读作:

Y varies as x.

K is "the constant of variation.

y与x成正比(y是x的正比函数),k是常数。

“y = k/x”读作:

Y varies inversely as x.

y与x成反比例(y是x的反比例函数)。

Punctuation marks

°

degree 度

minute 分

second 秒

Celsius degree 摄氏度

Fahrenheit degree 华氏度

@

at sign

{ }

curly brackets 波形括号

[ ]

square brackets 方括号

()

parentheses ; brackets; round brackets 括号

(

open parenthesis 左括号

)

close parenthesis 右括号

.

point/dot 点

|

vertical bar; vertical virgule 竖线

&

ampersand; and; reference; ref 和,引用

*

asterisk, multiply, star, pointer 星号,乘号,星,指针

/

slash; divide; oblique; stroke; solidus 斜线,斜杠,除号

//

slash-slash; comment 双斜线,注释符

#

number sign; pound sign; hash 井号

\

backslash 反斜线转义符

~

tilde 波浪符

.

full stop; period 句号

,

comma 逗号

:

colon 冒号

;

semicolon 分号

?

question mark 问号

!

exclamation mark 惊叹号

'

apostrophe 撇号、所有格符号

-

hyphen 连字号

dash 破折号

_

underscore; understrike 下划线

...

ellipsis 省略号

‘’

single quotation marks 单引号

“”

double quotation marks 双引号

Ditto Sign 如上所述

parallel 双线号

?

swung dash 代字号

§

section sign; division 分节号

arrow 箭号;参见号


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