sit down at my table什么意思 ,为什么会有两个介词?

sit down at my table什么意思 ,为什么会有两个介词? 为什么不可以说sit down by the table?为什么不是sit down by the table,而是sit down at the table? sit at table 是sit down at the table还是sit down beside the table答案是选AT,可是用beside可不可以呢 sit at table sit at the table sit at a table I ask you to sit down --- table ,not to sit down---the table.I ask you to sit down --- table ,not to sit down --- the table.填介词 sit down to the table或是sit down for the tableMeal is ready .Let's sit down for the table. 求“MY Finally a sit at the same table”的翻译 sit at table（就餐）是什么词性? sit down around a table这样写对吗? sit at the table是什么意思?为何用at 英语翻译“Oh ,no!Here I am at an American family`s home at the dinner table.There are all kinds of plates,dishes ,cups and silverware at my place,Which should I use for which food?Should I sit down first or wait for the host to invite me?Should When you sit down at the table,you can take tour napkin,unfold it and put it on your lap.怎么划分 A dinner speaker hurried to his meeting so that he could sit down at the head table .帮忙翻译下这 sit on the table /at the tabl 区别? They ______(sit) at the table and had a rest The Blacks_____ (sit) at table when I came 填什么 sit at the table 和 sit on the chair的区别