I've often heard that medieval glass windows are thicker at the bottom because glass flows like a fluid.

我经常听说中世纪的玻璃窗底部更厚，因为玻璃像液体一样流动。

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I've often heard that medieval glass windows are thicker at the bottom because glass "flows" like a fluid.

我经常听说中世纪的玻璃窗底部更厚，因为玻璃像液体一样“流动”。

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If the glass were kept hot enough, it would flow over the molten tin until the top surface was also flat, horizontal and perfectly parallel to the bottom surface.

如果玻璃保持足够的温度，它就会在熔化的锡中流动，直到顶部表面也变得平整、水平，与底部表面完全平行。

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"We're sucking on a straw until we hit the bottom of the glass, " he says.

FORBES: Magazine Article

In "Glass Bottom Boat, " Portner wades steadily through swampy soundscapes, complete with croaking synthesizers and grunting bass lines.

NPR: First Listen: Avey Tare, 'Down There'

The atomic red pseudo-fruit at the bottom of that glass was both the literal and proverbial opposite of a cherry on top.

BBC: The Manhattan mistake most people make