circle meaning in Chinese

English	Chinese
incircle (the circle within a polygon that is tangent to each side) noun [UK: ɪnsˈɜːkəl] [US: ɪnsˈɜːkəl]	內切圓noun 內接圓noun 内切圆 /nèiqiēyuán/noun 内接圆 /nèijiēyuán/noun
polar circle (either of the two parallels of the Earth) noun [UK: ˈpəʊ.lə(r) ˈsɜːk.l̩] [US: ˈpoʊ.lə(r) ˈsɝːk.l̩]	极圈 /jíquān/noun 極圈noun
semicircle [semicircles] (half of a circle) noun [UK: ˈse.mɪ.sɜːk.l̩] [US: ˈse.mɪ.sɝːk.l̩]	半圆 /bànyuán/noun 半圓noun
vicious circle (situation in which the response to a problem creates another problem) noun [UK: ˈvɪ.ʃəs ˈsɜːk.l̩] [US: ˈvɪ.ʃəs ˈsɝːk.l̩]	恶性循环 /èxìng xúnhuán/noun 惡性循環noun
virtuous circle (situation in which the solution to one problem makes each future problem easier to solve) noun	良性循环 /liángxìng xúnhuán/noun 良性循環noun

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