老师：小石同学，告诉我3个理由为什么地球是圆的？
Teacher: Stone, give me 3 reasons why you know the Earth to be round.
大海的味道—比目鱼柳配合烟熏培根，意大利节瓜和圆茄包裹在如硬石般的海盐中煎烤。
Flavor of the sea - halibut fillet covered with bacon, zucchini and egg plant then baked in a shell of rock salt.
白石水库倒垂孔施工，通过严格控制钻孔和保护管偏心值，保证了有效圆直径满足要求。
In the pour the nearing line project of Baishi reservoir, we guaranteed the effective round diameter meets the demands through controlling holing and partial value.
石制品中有典型的楔形、船底形石核；工具有长身圆头刮削器、雕刻器和锛形器等。
Among them boat or cuneiformed cores and stone tools such as long scrapers with round edges, engravers and adze-shaped blades are found largely.
晶相组成为圆柱状刚玉、圆粒状锆石和莫来石固溶体。
The crystal phase is composed of the cylinder corundum and the circle solid solution of the zirconia and mullite.
由此可见，在必然环境下，取其牡实圆顺的特性，也是用石的好办法之一。
Thus, in certain circumstances, the real, round one of the characteristics, and it is also a good way to the stone.
用铁家伙敲大理石，一定会在这圆拱屋顶下产生很大的回响。
用铁家伙敲大理石，一定会在这圆拱屋顶下产生很大的回响。
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