Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Arabic
Chinese
French
Russian
Spanish
G
o
o
g
l
e
|
Forvo
|
+
stratum mean
busin.
分层平均值
stratum mean
pl. strata
stat.
层平均值
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