epochKK [ˋɛpək] /ˈɛpək/发音名词1时代、纪元The fall of the empire marked the end of an epoch.帝国的灭亡标志著一个时代的结束。2新纪元、划时代的开端正式The first moon landing opened a new epoch in human exploration.首次登陆月球开启了人类探索的新纪元。3世地质学These fossils date from an epoch long before humans appeared.这些化石来自人类出现前很久的一个地质世。4训练周期、轮次电脑The model's accuracy improved after fifty training epochs.经过五十个训练周期后,模型的准确率提升了。用这个字练口说→