Sign in | English | Terms of Use
DictionaryForumContacts

   Chinese ⇄ English
Google | Forvo | +
水膜理论
agric. film theory
eng.geol. water-film theory

 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