By the time I was in sixth grade I could bound every country in the world from memory.
在我六年级的时候,我就能凭记忆把世界上的每个国家都联系起来。
-- Clyde Tombaugh 克莱德·汤博
By the time I was in sixth grade I could bound every country in the world from memory.
在我六年级的时候,我就能凭记忆把世界上的每个国家都联系起来。
-- Clyde Tombaugh 克莱德·汤博