形容词
中文翻译：无陪同的
同义词：
['alone', 'solitary', 'solitude']
例句：
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1. He was unescorted when he went to the party.
他参加聚会时是孤身一人。
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2. She felt lonely without her friends around.
没有朋友在身边，她感到孤独。
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3. The hikers were unescorted and had to rely on their own skills to survive.
这些徒步旅行者是孤身一人，必须依靠自己的技能来生存。