The observers did not see the paladin move, only the bright afterimage as the crystal sword traced a lightning-like arcthrough the fiend.
两个观察者都没有看清那个圣骑士的动作，只看到了水晶剑划出的穿透那个恶魔的闪电般的美丽弧线。
2
When viewed from northern latitudes, and as shown in the above horizontally compressed image, the Sun will make its lowest arcthrough the sky along the southern horizon.
在北半球，如上图所示，太阳沿着地平线南部以最低弧度划过天际。
3
Yellowstone is at the northeastern end of the Snake River Plain, a great U-shaped arcthrough the mountains that extends from Boise, Idaho some 400 miles (640 km) to the west.