radius
🇬🇧 /ˈreɪdɪəs/
🇺🇸 /ˈreɪdiːəs/
📖 释义
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noun
半径; 范围; 桡骨; 蛛丝辐射线
🔗 详情
词形变化
可数
复数: radii, radiuses
常用搭配
within a radius ofradius of a circleturning radiusblast radiussearch radiusorbital radius
派生词
radialradiateradiationradioradially
同义词
rangereachspanextentscope
易混淆词
radium
EN: 'Radium' is a radioactive chemical element; 'radius' is a geometric measurement or forearm bone.
zh: '镭'是一种放射性化学元素;'半径'是一个几何测量值或前臂骨骼。
radii
EN: 'Radii' is simply the Latin plural of 'radius', not a separate word.
zh: 'Radii' 只是 'radius' 的拉丁语复数形式,并非一个独立的词。
拼写提示
EN: The plural has two accepted forms: 'radii' (Latin, more common in mathematics) and 'radiuses' (English). Do not write 'radiuses' as 'radiuses'.
zh: 复数有两种公认形式:'radii'(拉丁语,数学中更常见)和 'radiuses'(英语)。不要将 'radiuses' 拼写错误。
💬 例句
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The radius of the circle is five centimeters.
这个圆的半径是五厘米。
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There are no hospitals within a ten-mile radius of the village.
该村十英里范围内没有医院。
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He fractured his radius when he fell off his bicycle.
他从自行车上摔下来,骨折了桡骨。
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The spider sat at the center where all the radii of the web converged.
蜘蛛坐在所有蛛丝辐射线汇聚的中心。