标点符号 英语

\    fresh
_    underscore 下划线
．    period 句号           

，      comma 逗号           

：   colon 冒号             

；   semicolon 分号         

！     exclamation 惊叹号    

？     question mark 问号     

￣     hyphen 连字符        

'        apostrophe 省略号；所有格符号    

-       dash 破折号                     

' '      single quotation marks 单引号    

" "     double quotation marks 双引号  

( )     parentheses 圆括号            

[ ]     square brackets 方括号         

《 》 French quotes 法文引号；书名号 

...      ellipsis 省略号                      

¨   tandem colon 双点号               

"       ditto 双点号                        

‖     parallel 双线号                     

／     virgule 斜线号                                               

～     swung dash 代字号               

§     section; division 分节号           

→     arrow 箭号；参见号               

＋     plus 加号；正号                  

－     minus 减号；负号                

±     plus or minus 正负号             

×     is multiplied by 乘号               

÷   is divided by 除号                 

＝     is equal to 等于号                 

≠   is not equal to 不等于号           

≡     is equivalent to 全等于号          

≌     is equal to or approximately equal to 等于或约等于号

≈   is approximately equal to 约等于号

＜   is less than 小于号

＞   is more than 大于号

≮     is not less than 不小于号

≯   is not more than 不大于号

≤     is less than or equal to 小于或等于号

≥   is more than or equal to 大于或等于号

％   per cent 百分之…

‰   per mill 千分之…

∞   infinity 无限大号

∝     varies as 与…成比例

√     (square) root 平方根

∵   since; because 因为

∴   hence 所以

∷     equals, as (proportion) 等于，成比例

∠     angle 角

⌒     semicircle 半圆

⊙     circle 圆

○     circumference 圆周

△   triangle 三角形

⊥   perpendicular to 垂直于

∪   union of 并，合集

∩     intersection of 交，通集

∫   the integral of …的积分

∑     （sigma) summation of 总和

°     degree 度

℃     Celsius degree 摄氏度

′     minute 分

″   second 秒

＆     ampersand = and

π       pi 圆周率

＃   number …号

＠   at 单价