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粵語辭叢

平行公設

ping4 hang4 gung1 cit3included in 1 dictionaries
維基辭典YueWord

Original phonetic: /pʰɪŋ²¹ hɐŋ²¹ kʊŋ⁵⁵ t͡sʰiːt̚³/

parallel postulate