Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄ Chinese
Google | Forvo | +
parabolic vertical curve
tech. 抛物线形竖曲线
parabolical vertical curve
tech. 抛物线形竖曲线

 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