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复数形式
parabolas
1
抛物线, 抛物曲线
(geometry) a symmetrical open curve that is similar to the path of an object thrown into the air passes till it falls back to earth
- The path of a thrown ball forms a parabola.
投掷球的路径形成一个抛物线。
- The artist drew a parabola to represent the path of the flying object.
艺术家画了一条抛物线来表示飞行物体的路径。
- Designers use parabolas to create efficient lighting fixtures.
设计师使用抛物线来创建高效的照明设备。
- The satellite dish is shaped like a parabola to focus signals.
卫星天线的形状像抛物线以聚焦信号。
- The quadratic function’s graph is always a parabola.
二次函数的图形总是一个抛物线。