at desk/table,at the chair/desk的区别

at desk/table,at the chair/desk的区别 at table ,at the table,on the table,on table, at table和at the table?区别 at table,at the table怎么区别? He is at table at the table. at the dinner table sitting at the table sign at the first desk at the desk和 at desk的区别是 The man at the table isn’t at table. 英语翻译at the table行吗？ stand at the table翻译 stand at table 和stand at the table 的区别 at the table和at table 有什么区别? at the table 与at table 有什么区别 at table 和 at the table 的区别? at table ,at the table ,on table ,on the table 的区别 1.How many glass of water there on the table?2.lets look at the book on my desk.改错.