Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
French
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
standard reference condition
This HTML5 player is not supported by your browser
auto.
★
标准参考条件
standard reference condition
:
1 phrase
in 1 subject
Hydroelectric power stations
1
Add
|
Report an error
|
Get short URL
