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

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