雅思听力考试中那些常用的标点符号 . period
, comma
: colon
; semicolon
! exclamation
? question mark
- hyphen
apostrophe
_ dash
single quotation marks
double quotation marks
parenthesis
square brackets
. . . ellipsis
~ swung dash
section; division
arrow
+ plus
- minus
plus or minus
is multiplied by
is divided by
= is equal to
is not equal to