Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
local derivative
avia. 当地导数
compr. 偏导数
tech. 局部导数

 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