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1. Oxford Dictionary

   Eratosthenes

   • IPA[ˌɛrəˈtɒsθəniːz]

   英式

   • (c. 275–194 bc), Greek scholar, geographer, and astronomer. The first systematic geographer of antiquity, he accurately calculated the circumference of the earth and attempted (less successfully) to determine the size and distance of the sun and of the moon.
2. • 更多解釋

   Eratosthenes

   • IPA[ˌerəˈtäsTHənēz]

   美式

   • (c. 275–194 bc), Greek scholar, geographer, and astronomer. The first systematic geographer of ...

   Oxford American Dictionary