名词
中文翻译：近似圆
同义词：
['circumscribed circle', 'approximated circle']
例句：
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1. The circleof influence is quite large for a new company.
对于一个新公司来说，影响力范围相当大。
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2. The circle of friends we have is small but tight.
我们的朋友圈子虽小但很紧密。
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3.The circle of light around the sun is very thin.
太阳周围的光晕非常薄。