Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Hungarian
Irish
Maltese
Polish
Romanian
Russian
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
direct operating expenses
tech.
直接操作费用
direct operating expense
chem.
直接操作费用
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