adj.完好无缺的；原封不动的；未经触碰的

Despite his misfortunes, his faith and optimism remained intact. 虽然他遭到一连串的不幸，他的信心和乐观丝毫未减。

You may have your money back on this woolen sweater if it is kept clean and intact. 如果羊毛衫保持清洁、完好无缺，您可以退款。

This stretch of wetlands has remained intact. 这块湿地一直保持着自然的面貌。