So the buildings fell out of use.

于是，这些建筑就不再使用了。

With the arrival of the new plastics, gutta-percha rapidly fell out of use.

随着新塑料的出现，杜胶很快就不再使用了。

It fell out of use centuries ago, though one researcher managed to get hold of some recently.

几个世纪之前它就不再使用了，尽管有一个研究人员最近想做出一些。

In time, the temples of the Ancient  Egyptian Gods fell out of use.

随着时间的推移，古埃及诸神的神庙不再使用。

However it simply fell out of use to be replaced by OI  and OY.

然而，它已经不再使用，而被 OI 和 OY 取代。

Unfortunately, however, the arms fell out of use and were lost to memory thereafter. They waited 200 years before they were rediscovered and returned to use.

但可惜的是，这以后这个盾徽逐渐被废弃、遗忘，直到200 年后才被人重新发现并启用。

The canals gradually fell out of use, though, as railways were developed, becoming the main way of moving goods and people from one end of the country to the other.

然而，随着铁路的发展，运河逐渐停止使用，铁路成为将货物和人员从国家的一端运送到另一端的主要方式。

Unfortunately, however, the arms fell out of use and were lost to memory thereafter.