sit on the table /at the tabl 区别?

sit on the table /at the tabl 区别? sit at the table 和 sit on the chair的区别 英语中sit on the table和site at the table有什么区别? at table ,at the table ,on table ,on the table 的区别 sit at table sit at the table sit at a table at table ,at the table,on the table,on table, Put the book on the table(改否定句)____ ____the book on the tabl 请问sit by the window和sit at the table有什么区别?是距离的区别吗? at table,at the table怎么区别? at table和at the table?区别 是sit down at the table还是sit down beside the table sit at the table是什么意思?为何用at