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parabola

noun
/pəˈræbələ/
/pəˈræbələ/
(geometry几何)
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  1. a curve like the path of an object thrown into the air and falling back to earth抛物线
    • A ball thrown over a long distance travels in a parabola.球扔出很远,在空中划出一道抛物线。
    Topics Colours and Shapesc2, Maths and measurementc2
    Word Originlate 16th cent.: modern Latin, from Greek parabolē ‘placing side by side, application’, from para- ‘beside’ + bolē ‘a throw’ (from the verb ballein).

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