自古以来，“月亮大小错觉”就是一个令天文观察者着迷的天文谜题。

The moon illusion is an astronomical mystery that has fascinated sky watchers since ancient times.

youdao

自古以来，“月亮大小错觉”就是一个令天文观察者着迷的天文谜题。

The moon illusion is an astronomical mystery that has fascinated sky watchers since ancient times.

youdao