易混淆的单词： ErasERAsERAS

Over the past five decades , we 've moved through a series of eras of computing .

过去半个世纪里，我们已经历了一系列的计算时代。

The transition between these two eras was a catastrophe .

这两个时代的转换是一场灾难。

The two eras are of course different .

这两个时期当然有所不同。

Stealing salt was considered a major crime during some eras of history .

在历史上某些年代，偷盐被视为弥天大罪。

An array of32-bit signed integers that specify the relevant eras .

32位有符号整数数组，用于指定相关的纪元。