Coal tar has been a historic contribution to modern organic chemical industry.

煤焦油曾为近代有机化工作出了历史性贡献。

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Chapter 4 gives a brief introduction of the historic contribution of Wagner and Verdi to Opera.

第三章，简要概述瓦格纳与威尔第歌剧创作的历史贡献。

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They have a historic contribution in overturning feudal ideas and creating modern family novels.

两部作品对封建思想的颠覆、对现代家族小说的建构，均作出了历史性的贡献。

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Hammam believes art can make an important contribution to documenting historic events.

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Mr. Prime Minister, you have described a bold and historic initiative that can make an important contribution to peace.

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"If I can make a tiny, tiny contribution in that direction, given how historic the system is, I'd be very happy and I think my graduate students would be as well, " Bringsjord said.

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