radius

名詞

1. 1

   半徑數學

   Measure the radius of the circle before calculating its area.

   計算圓面積之前，先量出它的半徑。

2. 2

   範圍、周邊範圍

   There are three coffee shops within a one-kilometer radius.

   一公里範圍內有三家咖啡店。

3. 3

   橈骨解剖

   She fractured her radius when she fell off the ladder.

   她從梯子上摔下來，摔斷了橈骨。