Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
G
o
o
g
l
e
|
Forvo
|
+
negative electron affinity device
gen.
负电子亲和力器件
el.
负电子亲和势器件
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
