Put a world map on the display wall in the classroom the whole class should work together to draw the map, or you can buy one.
把一幅世界地图挂在教室的展示墙上。全班应该一起画一幅地图或者你们可以买一幅。
Figure 3 reveals the wall display in action.
图3动态揭示了墙壁显示。
Take care not to place the display too high on the wall.
要小心不要把显示器在墙上放置得过高。
Take care not to place the display too high on the wall.
要小心不要把显示器在墙上放置得过高。
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