Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
one-centered arch
el. 单中心拱
hydroel.st. 圆拱; 单心拱
tech. 圆弧拱

 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