Jo Hellawell of Trinity College, Dublin, and her colleagues in the Organic Geochemistry Unit at Bristol University think that they have solved the mystery.

都柏林大学三一学院的乔•赫拉维尔和她在布里斯托大学有机地球化学单元的同事，认为他们已经揭开了谜底。

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Representatives from the City of Bristol College, GKN Aerospace, Rolls Royce, Airbus and the University of the West of England attended the ceremony.

BBC: Bristol Technology and Engineering Academy