形容词
中文翻译：安全的
同义词：
['secure', 'safe', 'secure', 'risk-free']
例句：
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1. The new safety measures have been put into place.
新的安全措施已经实施。
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2. We need to ensure that the equipment is safe before we use it.
在使用设备之前，我们需要确保它是安全的。
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3. The children were safe in their new home.
孩子们在新家是安全的。