noun 下载 🔗分享 中心线,中线. A line through the center that divides a shape into equal pieces. Examples : "The artist drew a centerline down the middle of the paper to help make the two halves of the butterfly drawing symmetrical. " 艺术家在纸的中间画了一条中心线,以便让蝴蝶画的两半对称。 math technical 与AI对话词汇游戏阅读练习