形容词
中文翻译：清晰的
同义词：
['straight', 'plain', 'transparent']
例句：
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1. The sky is clear, and there's no sign of pollution.
天空晴朗，没有污染的迹象。
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2. The teacher cleared the room to make a presentation.
老师清空了教室以便做演示。
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3. The new manager has made it clear that he wants to improve the company's performance.
新任经理已经明确表示他想要提高公司的业绩。