名词
中文翻译：警告片
同义词：
['alert', 'cautionary', 'cautionary note例句：1. The doctor gave me a warning piece about the dangers of smoking.（医生给我发了一封关于吸烟危险的警告信。）2. The company issued a warning piece to all employees about the new safety regulations.（公司向所有员工发出了一份关于新安全规定的警告信。）']
例句：
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1. The doctor gave me a warning piece about the dangers of smoking.
医生给我发了一封关于吸烟危险的警告信。
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2. The company issued a warning piece to all employees about the new safety regulations.
公司向所有员工发出了一份关于新安全规定的警告信。
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3. The traffic police posted a warning piece on the side of the road to remind drivers to slow down.
交通警察在路边张贴了一则警告牌，提醒司机减速。