加号、正号：plus
减号、负号：minus
乘号：is multiplied by
除号：is divided by
等于号：is equal to
不等于号：is not equal to
约等于号：is approximately equal to
小于号：is less than
大于号：is more than
小于或等于号：is less than or equal to
大于或等于号：is more than or equal to
分：minute
秒：second
句号：period
逗号：comma
冒号：colon
分号：semicolon
惊叹号：exclamation
问号：question mark
度：degree
摄氏度：Celsius system
撇号：apostrophe
破折号：dash
双引号：double quotation marks
圆括号：parentheses
方括号：square brackets
省略号：ellipsis
斜线号：virgule