Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
reading position indicator
This HTML5 player is not supported by your browser
comp., MS
阅读位置指示器
(A visual effect in the navigation pane that shows users where they are in a document)
Add
|
Report an error
|
Get short URL
