Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
random collision
met. 不规则碰撞; 无规则碰撞
space 随机碰撞
tech. 无规碰撞

 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