读音

/daɪˈæmɪtər/

释义

• 名词: 圆或球体的直径是从一端通过圆心到另一端的直线距离；在几何学中，它是圆或球的最大宽度。例如: “The diameter of the circle is twice the radius.”
• 名词: 在更广泛的含义上，它也可以指任何物体或区域的最大长度或宽度。例如: “The diameter of the room was about ten meters.”

短语

• “Diameter of a circle” 指的是圆的直径。
• “Diameter of a sphere” 指的是球体的直径。

例句

• “The diameter of the Earth is approximately 12,742 kilometers.”
• “The pipe’s inner diameter allows water to flow through easily.”

同义词

• Width
• Breadth
• Span
• Cross-section
• Measure