When the tower was first constructed in 1962, it was covered with thin square stones.

当这座大楼在 1962 年首次建造时，外墙上覆盖着薄薄的方形石头。

A square stone served him for a desk; his pen flew.

一块方石给他当了一张桌子； 他的笔飞了。

These small square stones became a problem for the building and continued to fall off the face for 40 years until a major renovation was undertaken.

这些小方石成为大楼的一个问题，并在 40 年的时间里不断从表面脱落，直到进行了一次重大的翻修。

Jewellery is weighed, then scratched on a small square stone. Acid and salt are applied to the scratch, to test purity; 5 to 10% of items fail.

先给珠宝称重，然后在一块小型方形石头上划过，这一步骤中需要用到酸和盐，以检测黄金的纯度；5到10%的物品没能通过检测。

There was no wall, the division between God's Acre and Lord Luxellian's being marked only by a few square stones set at equidistant points.

没有围墙，上帝的领地和卢克塞利安勋爵之间的分隔只有几块等距放置的方形石块。