名词
中文翻译：安全按钮同义词
同义词：
['safety switch', 'safety lock', 'safety switch button']
例句：
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1. The car has a safety button to prevent the engine from starting in an emergency.
这辆车有一个安全按钮，以防在紧急情况下发动机无法启动。
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2. The child was wearing a safety button on his shirt.
那个孩子穿着他衬衫上的安全扣。
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3. The engineer used a safety button to prevent the machine from moving during testing.
工程师使用一个安全按钮来防止机器在测试期间移动。