英语词汇历元是什么意思，历元的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	历元
释义	DEFINITIVE EXAMPLES 权威例句〔epoch〕Astronomy An instant in time that is arbitrarily selected as a point of reference.【天文学】历元：被随机选作参考点的时间中的某一瞬间美国传统
随便看	substall airspeed substance Substance substance substance substance substance 248 substance abuse substance metabolism substance of dispute substance of Nissl substance of value substance P substance sensibilisatrice substance-free substances substances substances substandard substandard substandard substandard substandard film substandard meter substandard parts

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