The man at the table isn’t at table.

The man at the table isn’t at table. at table ,at the table,on the table,on table, at table,at the table怎么区别? at table和at the table?区别 He is at table at the table. sitting at the table at the dinner table stand at the table at table ,at the table ,on table ,on the table 的区别 __are sitting at the table 英语翻译at the table行吗？ at the table和at table 有什么区别?