adj.未改变的，未被改变的

The antique vase was in unaltered condition, preserving its original beauty.
这个古董花瓶保持了未改变的状态，保留了其原有的美丽。
Despite the passing of time, their friendship remained unaltered.
尽管时间流逝，他们的友谊依然不变。
The recipe has been passed down through generations without any unaltered ingredients.
这个食谱代代相传，没有任何成分被改变过。
The landscape, untouched by human hands, remained unaltered for centuries.
那片自然景观未被人类触及，几个世纪来都保持着原貌。
His commitment to his goals remained unaltered despite numerous setbacks.
尽管遭遇多次挫折，他对目标的承诺仍然坚定不移。
The historical building's exterior was restored to its unaltered state, reflecting its former glory.
这座历史建筑的外观被修复成未改动时的状态，重现了往日的辉煌。
Her love for adventure and exploration stayed unaltered from her childhood dreams.
她对冒险和探索的热爱从童年的梦想起就未曾改变。
The document's content must remain unaltered to ensure its authenticity.
为了确保文件的真实性，其内容必须保持不变。
The artist's style, though influenced by various movements, remained fundamentally unaltered.
虽然这位艺术家的风格受到了多种流派的影响，但本质上仍保持不变。
The treaty guaranteed the borders would remain unaltered, ensuring peace between the two nations.
条约保证了边界将保持不变，从而确保了两国之间的和平。