The word is 'radius', pronounced ['reɪdɪəs]. It primarily means 'radius' in geometry, but can also refer to a range within a radius, radiating lines, effective range, or the radius bone.
这个单词是'radius'，发音为['reɪdɪəs]。它的主要意思是“半径”，也可以指半径范围、辐射光线、有效航程或桡骨。
| 单词 | radius |
|---|---|
| 发音 | ['reɪdɪəs] |
| 释义 | n. 半径，半径范围；辐射光线；有效航程；桡骨 |
| 词序 | 9631 |
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