n.天空，苍穹

The ancient Greeks believed that the firmament was a solid dome separating the earth from the heavens.
古希腊人认为天穹是连接地球与天堂的坚固圆顶。
According to the Bible, God created the firmament to divide the waters above from the waters below.
根据《圣经》记载，上帝创造了天穹以分隔上层水域和下层水域。
In medieval times, the firmament was thought to be the region of the fixed stars in the sky.
在中世纪，人们认为天穹是天空中固定恒星所在的区域。
The invention of the telescope challenged the notion of a solid firmament and opened up new realms of celestial study.
望远镜的发明挑战了天穹为固体的观点，并开启了对天体研究的新领域。
The artist painted a beautiful depiction of the firmament with golden stars on a dark blue background.
艺术家在深蓝色背景上绘制了一幅美丽的天穹图，上面点缀着金色的星星。
The concept of a firmament has been replaced by modern scientific understanding of our universe as an expanding cosmos.
关于天穹的概念已经被现代科学对不断扩张的宇宙的理解所取代。
The ancient Maya believed that the firmament was inhabited by gods who controlled the forces of nature.
古代玛雅人相信天穹居住着控制自然力量的神祇。
The philosopher argued that the firmament was not eternal but rather subject to change over time.
哲学家论证说，天穹并非永恒不变，而是随时间而变化。
The poet wrote about the firmament as a vast, awe-inspiring expanse that唤起人们对宇宙的敬畏之心。
诗人写到天穹是一个令人惊叹的巨大空间，激发人们对宇宙的敬畏之情。
Scientists today no longer believe in a literal firmament, but instead view the sky as a window into the infinite cosmos.
当今的科学家不再相信字面上的天穹，而是将天空视为通向无限宇宙的一扇窗。