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  2. /radi
  3. /radius

radius

🇬🇧 UK/'reidiәs/🇺🇸 US
IELTSTOEFLGREB1

Definitions

n.

The distance from the centre to the edge of a circle; the shorter bone of the forearm.

半径;桡骨

🧩 Root Breakdown

Root-derived
radiray, spoke, radius
+
ussuffix
=radius

Common Collocations

  • 1.within a radius在……半径范围内
  • 2.turning radius转弯半径
  • 3.radius of curvature曲率半径
  • 4.fractured radius桡骨骨折

Example Sentences

  • 1.

    The blast destroyed every building within a radius of two kilometers.

  • 2.

    To find the area of a circle, you need to know its radius.

  • 3.

    He fractured his radius after falling awkwardly from the bicycle.

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