adj. 未被污染的；未沾染的
Her ***t consisted of natural food, uncontaminated by pesticides, salt or refined sugar.
她的膳食是由未受农药、盐或精制糖污染过的天然食品构成的。
Knowing that there are no victorious causes, I have a liking for lost causes: they require an uncontaminated soul, equal to its defeat as to its temporary victories.
既然知道这里没有胜利的事业，那么我就喜欢去探索那些失落的事业：这些事业需要一个未被污染过的灵魂并且能够公平地看待它的失败和暂时的胜利。
Until recently I had the honor went to the Africa trip, but really found this piece of original, uncontaminated, and holiness, and hearts have been longing for a place.
直到前不久我有幸去了非洲一趟，却真的找到了这片原始的、未被污染的、圣洁的、心中一直向往的地方。
In a perfectly controlled and totally sterile environment — uncontaminated by dirt, insects or fresh air — Japanese scientists are developing a new way of growing vegetables.
日本科学家正在开发一项蔬菜种植的新方法：整个环境完全由人工控制而且完全无菌，也就是说，这是一个既没有灰尘也没有昆虫和新鲜空气的环境。
Bario Highland in Sarawak is fondly known as the Valley of the Wind, surrounded by mountain range and luscious wood- land, perhaps, it is the State's last piece of uncontaminated pure land.
砂磱越巴里奥高原有《风之谷》的美誉，这里堪称砂州最后一片净土，被群山及原始森林环绕，当地的原住民，每年只耕种一次，限量生产这珍贵的巴里奥好米。
"Uncontaminated" 是形容词，指物质、环境或实体未被有害物质污染或破坏的状态，强调保持原始纯净性。该词由否定前缀 "un-" 和词根 "contaminated"（受污染的）构成，常用于描述自然环境、食品、医疗用品或科学实验样本的洁净程度。例如，世界卫生组织在饮用水标准中要求"uncontaminated water sources"（未被污染的水源），以确保公共卫生安全。
在生态保护领域，联合国环境规划署的报告中提到"uncontaminated ecosystems"（未受污染的生态系统）对维持生物多样性至关重要。牛津词典将其定义为"not made impure by exposure to harmful substances"，并标注其常用于正式学术场景。
“uncontaminated”是一个形容词，由否定前缀un- 和词根contaminated（被污染的）组成，字面含义为“未被污染的”。以下是详细解释：
指某物未被有害物质、杂质或外部因素破坏或玷污，保持原始、纯净的状态。例如：
如果需要进一步分析具体语境中的用法，可以提供例句或场景。
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