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right angle

/ˈraɪt ˌæŋɡəl/

翻译: 由两条互相垂直的直线形成的90度角;几何学和数学中的基本概念。

1 个条目

phrase

/ˈraɪt ˌæŋɡəl/B1formaltechnical
  • zh由两条互相垂直的直线形成的90度角;几何学和数学中的基本概念。

An angle of 90 degrees, formed when two lines are perpendicular to each other; a fundamental concept in geometry and mathematics.

  1. 90-degree angleA2formal

    An angle of exactly 90 degrees, formed by two perpendicular lines.

    zh直角

    • A square has four right angles.
    • The carpenter ensured the corner was a perfect right angle.
    • In geometry, a right angle is a fundamental concept.