noun🔗Share中心線A line through the center that divides a shape into equal pieces."The artist drew a centerline down the middle of the paper to help make the two halves of the butterfly drawing symmetrical. "アーティストは、蝶の絵の2つの半分を対称にするために、紙の中央に中心線を描きました。mathtechnicalChat with AIVocabulary GamePractice Reading