根据1999年的盖洛普民意测验，有18%的美国人坚信地球是宇宙的中心。

According to a Gallup poll in 1999, 18% believed that the earth was the center of the universe.

youdao

根据1999年的盖洛普民意测验，有18%的美国人坚信地球是宇宙的中心。

According to a Gallup poll in 1999, 18% believed that the earth was the center of the universe.

youdao