Sign in | English | Terms of Use
DictionaryForumContacts

   Russian ⇄
Google | Forvo | +
гомоатомная цепьstresses
oil 同种元素原子间的键
tech. 纯键

 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