The sales chart showed a parabola, rising sharply in spring and falling by winter.

銷售圖表呈現一條拋物線，春季急升，到冬季回落。

Our engineer explained that the satellite dish is shaped like a parabola to focus signals.

我們的工程師解釋說，衛星天線做成拋物線形狀是為了集中訊號。

During the training session, the analyst drew a parabola to show how costs change with volume.

在培訓課程中，分析師畫了一條拋物線，說明成本如何隨產量變化。