科学家发现产生日全蚀这一现象的原因之前，每当黑暗在大白天降临时人们就怕得要命。

Before scientists discovered the cause of the total eclipse of the sun, people were extremely frightened when darkness fell in the middle of the day.

youdao

科学家发现产生日全蚀这一现象的原因之前，每当黑暗在大白天降临时人们就怕得要命。

Before scientists discovered the cause of the total eclipse of the sun, people were extremely frightened when darkness fell in the middle of the day.

youdao