Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
geometric isomerism
chem. 几何异构现象; 顺反异构
oil 几何异构

 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