形容词
中文翻译：清楚的
同义词：
['straightforward', 'transparent', 'unmistakable']
例句：
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1. The sky was clear when we went hiking in the mountains.
我们去山里徒步时，天空是晴朗的。
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2. 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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3. The new policy is designed to be clear and easy to understand.
新政策旨在设计得明确且易于理解。