Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
hierarchic control
This HTML5 player is not supported by your browser
tech.
多级控制
;
递阶控制
;
层次控制
;
分级控制
;
分层控制
hierarchic control
:
5 phrases
in 1 subject
Technology
5
Add
|
Report an error
|
Get short URL
