全部 » Nature » Earth » 在世界地图板上放置图钉 Putting thumbtacks on a world map board
棋盘上有世界地图的图像,上面有许多图钉,可以近距离观察美洲大陆,而一个人';他的手在美国又插了一个图钉。
Board with the image of the world map with many pushpins, seen closely focusing on the American continent, while a person's hand puts another pushpin in the USA.