noun 下载 🔗分享 母线,生成线。 A curve that, when rotated about an axis, produces a solid figure Examples : "The teacher explained that the generatrix, a simple line segment, when rotated around the y-axis, creates the shape of a cone. " 老师解释说,这个母线,其实就是一条简单的线段,当它绕着y轴旋转的时候,就会形成一个锥体的形状。 math figure 与AI对话词汇游戏阅读练习