单词	Alvarez, Luis Walter
释义	Luis Walter Alvarez /alˈvɑːrɛz / (1911–88), American physicist. In 1980 Alvarez and his son identified iridium in sediment from the Cretaceous-Tertiary boundary and proposed that this resulted from a catastrophic meteorite impact that may have resulted in the extinction of the dinosaurs.
随便看	prigman prikaz prill prilled prilling prim prima ballerina prima ballerina asoluta prima ballerina assoluta prima buffa Primacord primacy primacy effect primacy principle prima donna prima donna assoluta prima donna-ish primaeval prima facie prima facie case primage primal primal born primal father primal horde

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