Something that is pure is clean and does not contain any harmful substances.
双语例句
例：
In remote regions, the air is pure and the crops are free of poisonous insecticides.
在偏远地区，空气是纯净的，庄稼也不施有毒的杀虫剂。
3.?纯的
If you describe something such as a colour, a sound, or a type of light as pure, you mean that it is very clear and represents a perfect example of its type.
双语例句
例：
She was dressed in pure white clothes.
她穿着纯白的衣服。
4.?纯理论的
Pure science or pure research is concerned only with theory and not with how this theory can be used in practical ways.
双语例句
例：
Physics isn't just about pure science with no immediate applications.
物理学并非没有直接应用价值的纯科学。
5.?完全的
Pure means complete and total.
近义词
sheer
双语例句
例：
The old man turned to give her a look of pure surprise.