名词
中文翻译：渗透者
同义词：
['intrusionist', 'intruder']
例句：
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1.The infiltrant was able to gain access to the restricted area without being detected.
这个潜入者成功地进入了受限制的区域，而没有被察觉。
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2. The infiltrant's presence caused a stir among the locals.
这个潜入者的存在引起了当地人的骚动。
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3. The infiltrant was caught by the security guards and taken into custody.
这个潜入者被保安抓住并拘留了。