adj.永远不变的，永恒的

Time may change many things, but true friendship remains changeless.
时间可能会改变很多东西，但真正的友谊是永恒不变的。

Her love for him was changeless, even after years of separation.
即使分隔多年，她对他的爱始终如一。
The principles of honesty and integrity should be changeless in any business.
诚实和正直的原则在任何商业活动中都应该是坚定不移的。
The stars in the night sky form a changeless pattern that has inspired poets for centuries.
夜空中的星星形成了一种亘古不变的图案，几个世纪以来一直启发着诗人。
His loyalty to his country is changeless, no matter what challenges he faces.
无论他面临什么挑战，他对国家的忠诚都是坚定不移的。
The laws of nature are changeless; they have governed the universe since its beginning.
自然法则亘古不变，自宇宙诞生起就一直在主宰着它。
Her dedication to her work is changeless, making her an invaluable asset to the company.
她对工作的执着始终如一，使她成为公司中不可或缺的一员。
Despite technological advancements, human emotions remain changeless and universal.
尽管科技日新月异，人类的情感却始终不变且具有普遍性。
The breathtaking beauty of the Grand Canyon seems almost changeless, yet it's constantly evolving.
大峡谷令人叹为观止的美景似乎恒久不变，但实际上它在不断地演变。
The teacher's commitment to providing quality education is unwavering and changeless.
教师致力于提供优质教育的决心坚定不移，始终不变。