mirror line編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看mirror linemirror line — 名詞名詞1. A line that acts as a mirror for reflection symmetry.1.名詞釋義對稱線A line that acts as a mirror for reflection symmetry.例句The mirror line divides the shape into two identical halves.