名词
中文翻译：单色帽
同义词：
['monochrome', 'monochromatic']
例句：
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1.The man was wearing a monocle, which made him look very distinguished.
那男人戴着一副单片眼镜，看起来非常优雅。
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2.The artist used a monocle to help her focus on the painting.
艺术家用单片眼镜帮助她专注于画作。
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3. The old man wore a monocle as a symbol of his nobility.
老人戴着单片眼镜作为他贵族身份的象征。