Kurt kept to the inner surface of the spiral, avoiding the darkness that lay beyond.
库尔特留在螺旋的内表面，避开超出去的黑暗部分。
2
They then lay the blocks on their edges to form a circle, cutting them to size as they go, so that the end result will be a narrowing spiral.
再把雪块铺在他们盖屋子的地点围成一个圆圈，修整到需要的尺寸大小，最后形成窄小的螺旋形。
3
Other economists reckon that with productivity high and wages muted, a pernicious wage-price spiral of the kind that lay behind soaring inflation in the 1970s is unlikely.