欧洲文艺复兴时期，天文学和占星术的纽带被切断，天文学成了一门真正的科学。

But during the Renaissance period in Europe, astronomy's ties to astrology were broken and it became a real science.

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文艺复兴以来这些符号就在炼金术中得到使用，表示某种元素，特别是金属铁和铜。

These symbols have been in use since the Renaissance [1] also denoting elements in alchemy, specifically the metals iron and copper.

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希腊化时代传至埃及，后来在12世纪一度复兴。欧洲人透过拉丁文翻译的阿拉伯著作而接触到炼金术。

It migrated to Egypt during the Hellenistic period and was later revived in 12th-century Europe through translations of Arabic texts into Latin.

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