Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
optimum working frequency
expl. 最佳工作效率
IT 最佳工作频率
telecom. 最佳工作频率短波通信的

 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