Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
外部标准
space
external reference
;
external standard
外部 标准:
4 phrases
in 3 subjects
Electronics
2
Nautical
1
Technology
1
Add
|
Report an error
|
Get short URL
|
Language Selection Tips