形容词
中文翻译：清晰的
同义词：
['straight', 'plain', 'transparent']
例句：
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1. The teacher explained the problem clearly to us.
老师清楚地向我们解释了这个问题。
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2. The road was clear of snow after the heavy rain.
大雨过后，道路变得一尘不染。
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3. The new policy is clear and easy to understand.
新政策清晰明了，易于理解。