Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
birth-death ratio
busin. 生死比率
desert. 生死比例
tech. 生死比

 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