Lucas majors in classic linguistics. He is equal to recognizing a language in a1 way no matter how unfamiliar it is. Last year, he2 a shell with some totally strange3 carved on it at a stall（小摊）.
Based on his demanding4 he knew it was from a small village. Besides, after5 some information in many reference books, he had his point of view: the symbols were6 as a variety of the writing system of Jiaguwen, a kind of writing system which dates back to 1500 BC.
Lucas had a(n)7 view on the discovery and applied to his university for a further research by visiting the village. With permission given, he visited it. He found the mother tongue of the villagers was a special dialect, whose vocabulary8 from Mandarin （普通话）spoken by 1.4 billion people.
Despite many9 , understanding the dialect and finding more shells helped him complete a report. The report was10 where he gave a full description: The characters11 by a small nation in the Shang Dynasty were passed down by means of bones and12 . Afterwards, the nation went through ups and downs,13 for hundreds of years. But it14 disappeared due to some factors.
Lucas's report was a15 in the academic field, attracting more people to these special characters.
