可数名词 if you refer to a long period of time as an epoch, you mean that important events or great changes took place during it. The birth of christ was the beginning of a major epoch of. Epoch的中文意思： [ 'i:pɔk, 'epɔk ] n.1.纪元，时代；时期…，查阅epoch的详细中文翻译、发音、例句和用法等。
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A long period of time, especially one in which there are new developments and great change: 重要時期 the years of the american revolution were an epoch in the history of the united states. We may see many such [dust] storms in the decades ahead, along with species extinctions, radical disturbance of ecosystems, and intensified social conflict over land and water.
