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。
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”。
I've often heard that medieval glass windows are thicker at the bottom because glass "flows" like a fluid.
这些皱纹看起来有点像运动鞋底部的图案。
The wrinkles looked a bit like the patterns on the bottom of the running shoes.
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