The top has a bowl shape with lava rocks.

顶部有一个装有火山岩石的碗状火盆。

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The simple crater has a bowl shape. The complex crater has a small hill at the center, which was caused by the rebound of the material at the center.

简单环形山形状好像一个碗，复杂环形山则有一个小山丘在陨坑中间，这个小山丘是由撞击后物质反弹所形成。

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Designer Li Xinggang once said the bowl shape would help spectators focus on the bottom center of the container, and integrate people and the structure as a whole.

设计师李星刚曾说，碗状结构有助于观众聚焦于该容器的底部，并使人和建筑合为一体。

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It formed a half-circle shape of a bowl.

VOA: special.2010.01.04

For the first approach, he shapes a wettened cone of clay on a fast-spinning wheel, gradually turning a small dimple in the top into a bowl shape, which he smooths with a deerskin cloth and releases from its base with one quick draw of a taut wire.

BBC: The art of Japan

Steve Shannon, vice president of marketing for Hyundai's American division, says that while Hyundai has used focus-group testing to help it select and shape its Super Bowl ads for several years this year it went even further and put its two big game spots through an additional focus group test that was done online.

WSJ: Advertisers Practice for Super Bowl