Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Arabic
Chinese
French
German
Russian
Spanish
G
o
o
g
l
e
|
Forvo
|
+
percolation filter
['pɜ:kə'leɪʃ(ə)n'fɪltə]
nat.res.
Biofilter
n
;
Tropfkörper
m
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
