名词
中文翻译：斑点
同义词：
['mark', 'spot', 'indication']
例句：
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1. The detective spotted the thief in the crowd.
侦探在人群中发现了小偷。
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2. The car had a dent on its side, which was a spot of paint missing.
汽车侧面有一块漆皮掉了，是个斑点。
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3. The scientist noticed a small spot on the sample.
科学家注意到样本上有一个小斑点。