noun🔗Share母線A curve that, when rotated about an axis, produces a solid figure"The teacher explained that the generatrix, a simple line segment, when rotated around the y-axis, creates the shape of a cone. "先生は、母線である単純な線分がy軸を中心に回転すると、円錐の形を作ると説明しました。mathfigureChat with AIVocabulary GamePractice Reading