常用符号及运算的英文表述

容易被忽略，但经常成为说话时候卡壳点的一些表达

常用符号读法

符号	读法
@	at / at sign
#	sharp / crosshatch / hash / number
$	dollar / dollar sign
%	percent sign / mod
^	caret
&	and / ampersand
*	asterisk / star
-	dash (指短线) / hyphen (指单词中连字符)
_	underline / underscore
+	plus / plus sign
=	equals / equals sign
<	less than
>	greater than
/	slash
\	backslash / escape
|	vertical bar
()	parentheses / round brackets
[]	square brackets
{}	curly brackets / braces
<>	angle brackets / chevrons
~	tilde
,	comma
.	dot / period
?	question mark
!	exclamation mark
`	backtick / backquote
'	tick / apostrophe / single quote (单引号) / prime (公式中使用，如f'(x))
:	colon
;	semicolon
"	quotation mark / double quote
<上标>	superscript
<下标>	subscript

常用运算读法

运算	读法
a + b	a plus b
a - b	a minus b
a * b	a multiplied by b / a times b
a / b	a divided by b / b divides a
a/b (分数 fraction)	a over b / a bth (2/3 two-thirds)
a^b (求幂)	b=2: a squared; b=3: a cubed; a to the bth / a to the power b
开根号	square root a; cube root a; bth root (of) a
(a + b)^2	a plus b all squared
(a/b)^2	a over b all squared
a! (阶乘)	a factorial

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