名词
中文翻译：徘徊者
同义词：
['straggler', 'loiterer']
例句：
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1.He was a lurker in the crowd, never quite fitting in.
他在人群中是个徘徊者，总是不太融入。
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2. The old man was a lurker at the park, watching the children play.
老人在公园里是个徘徊者，看着孩子们玩耍。
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3.She was a lurker in the library, lost in her own thoughts.
她在图书馆里是个徘徊者，沉浸在自己的思绪中。