Here visitors gain knowledge of railway transportation by watching operations on a sand table.
使观众通过观看和操作沙盘了解铁路交通运输的有关知识。
This display allows visitors to gain knowledge relevant to railway transportation through watching the operations on a sand table.
使观众通过观看和操作沙盘了解铁路交通运输的有关知识。
She organized volunteers to promote SARS prevention knowledge into the community, and went to the railway station to do the physical examination for the passengers, and she completed the task well.
她组织志愿者深入社区宣传防治非典知识，前往火车站为来往旅客体检、验体温等工作，圆满地完成了任务。
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