名词
中文翻译：警告板
同义词：
['alert board', 'caution board']
例句：
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1. The teacher posted a warning on the board to remind students of the upcoming test.
老师在黑板上发布了一个警告，提醒学生们即将到来的考试。
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2. The company's safety board is responsible for ensuring all employees are aware of workplace hazards.
公司的安全委员会负责确保所有员工都了解工作场所的危险。
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3. The board of directors meets regularly to discuss and make decisions about the company's future.
董事会定期召开会议，讨论并做出关于公司未来的决策。