各种标点符号用英语怎么读

“.”这个点,我们平时会读piont,但在网址中要读dot,虽然平常口语中用得不多,但偶尔也还是会用,那么标点符号怎样用英语读出来,我们学一下吧!

+ plus 加号;正号

“1+1”读作:one plus one

-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

± plus-minus sign 正负号

“±1” 读作:plus or minus one

× multiplied by ; times 乘号

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

÷ divided by 除号

“4÷2”读作:four divided by two

= 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.

is not equal to 不等于号

“a≠b”读作:a is not equal to b

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.

approximately equal to 约等于号

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

< is less than 小于号

“1<2”读作 One is less than two.

> is greater than 大于号

“2>1”读作:Two is greater than one.

≮ is not less than 不小于号

“3≮2”读作:Three is not less than two.

≯ is not greater than 不大于号

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

is less than or equal to 小于或等于号

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

is greater than or equal to 大于或等于号

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

% percent 百分之……

“10%”读作:ten percent

per mill ; per thousand 千分之……

“10‰”读作:ten per thousand

infinity 无限大号

“-∞” 读作:negative infinity

varies as 与…成比例

“X∝Y”读作:X varies as Y

√ ̄: square root 平方根

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

3√ ̄ cube root 立方根

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

∵ since; because 因为

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

∴ hence; therefore 所以

“∴1<2”读作:hence one is less than two

∠ 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.

⌒ semicircle 半圆

“⌒AB”读作:semicircle AB

⊙ circle 圆

“⊙A”读作:circle A

○ circumference 圆周

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

π pi constant 圆周率

“π×d”读作:pi multiplied by d

△ triangle 三角形

“△ABC”读作:triangle ABC

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

⊥ perpendicular to 垂直于

“A⊥B”读作:A is perpendicular to B.

// parallel to 平行于

Line AB is parallel to line CD.

∪ union of 并,合集

A∪B”读作:the union of A and B

∩ intersection of 交,通集

“A∩B”读作:The intersection of A and B

∫ the integral of ……的积分

“∫x”读作:the integral of x

∑ summation of 总和

“∑x”读作:the summation of x

 

° 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? full stop; period 句号

, comma 逗号

| 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

: 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

§ section sign; division 分节号

→ arrow 箭号;参见号