弧形 húxíng arc Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 太阳看起来在天空中以弧形运行。 tàiyang kànqilai zài tiānkōng zhōng yǐ húxíng yùnxíng. The sun appears to move in an arc across the sky. Source: UM-Corpus: Education