The south-facing elevation is clad in metal panels and horizontalglass fins with a dense frit, while the north side features exposed glazing.
南立面是金属板，水平方向是密集的玻璃翅，北面是暴露的玻璃。
2
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。
3
If I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.