Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Arabic
Chinese
French
Spanish
G
o
o
g
l
e
|
Forvo
|
+
boundary of intermittent permafrost
soil.
间歇永久冻土边界
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips