单词piltdown man
na.: 皮尔当人网络: 皮尔丹人；辟尔唐人；皮尔当古人类
40 years later scientists proved that the Piltdown man was a deliberate attempt at paleontological fraud.
40年后，科学家证明了皮尔丹人只是古生物学家们处心积虑的欺诈。