她坐在桌边的英语是 "She is sitting at the table."

这个短语的来源是英语中表示地点和动作的动词和介词的组合。

例句：

She is sitting at the table, studying for her exams.
她坐在桌边，在为考试做准备。
She has been sitting at the table all morning, working on her project.
她整个上午都坐在桌边，在做她的项目。
She is the only one sitting at the table. Everyone else is standing.
她是唯一坐在桌边的人。其他人都站着。