Geochemistry of the Shaximiao Formation in a dinosaur fossil site, Guangyuan, Sichuan, and its implications for the source area and paleoweathering是什麼意思_Geochemistry of the Shaximiao Formation in a dinosaur fossil site, Guangyuan, Sichuan, and its implications for the source area and paleoweathering在線翻譯_英語_讀音_用法_例句