The pots are wide at the base and tapered at the top.

这些壶底部粗，顶部细。

《牛津词典》

He later said that energy would come from a full-sized stone pyramid 755 feet wide at the base.

他接下来说能量来自一个全尺寸的石头金字塔，有755英尺宽。

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Found as deep as 100 feet from the surface, the springs lie at the base of craters as large as 50 feet wide and 65 feet deep.

据发现，距离海水表面100英尺深处，在凹坑基部分布着泉眼，50英尺宽，65英尺深。

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The tower, on East 22nd St. between Broadway and Park Avenue South, would be only 50 feet wide at the base but would expand like a slender champagne flute and be wider at the top, a rendering reviewed by The Wall Street Journal shows.

WSJ: For Developer, 3 Could Be Charm

Competitions are usually only open to women, who must race in heels that are at least 7cm high and no more than 1.5cm wide at the base.

BBC: High-heel racing for a cause

Rathbun said that he was resistant, and that Miscavige grew frustrated with him, assigning him in 2004 to the Hole a pair of double-wide trailers at the Gold Base.

NEWYORKER: The Apostate