hyphen，其他如下：．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( )parenthesis 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 同上‖parallel 双线号／virgule 斜线号＆ampersand = and～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X X squared X的平方X X cubed X的立方∵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πpi 圆周率△triangle 三角形⊥perpendicular to 垂直于∪intersection of 并，合集∩union of 交，通集∫the integral of …的积分∑(sigma) summation of 总和°degree 度′minute 分〃second 秒＃number …号℃Celsius system 摄氏度＠at 单价“\”叫backlash了，另外补充一个，“/”也可以叫slash
