I.adj.
1.清楚的;清晰的;明了的
Professor Smith gave a clear explanation of the experiment.
史密斯教授对这次实验做了清晰的讲解。
We had a clear view of the mountains. 我们清楚地看到群山。
2.清澈的,透明的;(皮肤)洁净的
We could see fish in the clear water. 我们看到清澈的水中有鱼。
The water in the river is so clear that we can see the bottom. 河水清澈见底。