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
来源：各种标点符号用英语怎么读
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