epochs的翻译，读音
释义：
时代（epoch的复数形式）
时期（epoch的复数形式）
n. a period marked by distinctive character or reckoned from a fixed point or event
n. (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
n. a unit of geological time that is a subdivision of a period and is itself divided into ages
时期（epoch的复数形式）
n. a period marked by distinctive character or reckoned from a fixed point or event
n. (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
n. a unit of geological time that is a subdivision of a period and is itself divided into ages