adj.永恒的，不变的

The laws of nature remain unchanging, immutable.
自然法则保持不变，不可改变。
She wore the same dress to every wedding, an unchanging fashion choice.
她每次都穿同一件裙子参加婚礼，这是她一贯不变的着装风格。
The stars in the night sky appeared unchanging, providing a sense of stability.
夜空中的星星似乎亘古不变，给人一种稳定感。
His unwavering commitment to his principles made him a respected figure.
他对原则的坚定不移使他成为受人尊敬的人物。
The ancient monument stood tall and unchanging, a testament to timelessness.
那座古老的纪念碑屹立不倒，象征着永恒。
Her unchanging smile was a beacon of hope in her challenging times.
在困难时期，她的不变微笑是希望的灯塔。
The desert landscape remained unchanging, a silent witness to countless epochs.
沙漠景观一如既往，默默见证着无数个时代变迁。
The library's collection is unchanging, with no room for new additions.
图书馆的藏书目录一成不变，没有空间增添新书。
His belief in hard work was an unchanging principle in his upbringing.
他坚持努力工作的信念是他成长过程中的不变准则。
The unchanging rhythm of the tides reflects the cycle of life and death.
潮汐的恒定节奏反映出生命的循环和死亡。