because this is easier to shape than other kinds.

因为燧石较之其他石头更容易成形。

Precisely at noon an infinitely powerful computer takes all the data and calculates what will happen at each point at 12.01, then 1202, then 12.03.

在正午时分，一个功能巨大的计算机搜集了所有的资料，并算出在每一个点上 12∶01、12∶02、12∶03时可能出现的情况。

but of accumulated knowledge applied to practical life.

而是积累起来的知识应用到实际生活中的结果。

Ever since, people have had difficulty in deciding whether the craft should be ranged among ships,

自那以后，人们很难决定是否应该将这种运载工具列为轮船、

He was, above all, a man who experimented:

他首先是个实验工作者，

Boiling is always a good way of treating water.

烧开一直是水处理的一种好办法。