diameter
英 [daɪ'æmɪtə]
美[daɪ'æmɪtɚ]
- n. 直径
词态变化
复数: diameters;
中文词源
diameter 直径
dia-, 穿过。-meter, 测量。用于数学名词直径。
英文词源
- diameter (n.)
- late 14c., from Old French diametre, from Latin diametrus, from Greek diametros (gramme) "diagonal of a circle," from dia- "across, through" (see dia-) + metron "a measure" (see meter (n.2)).
双语例句
- 1. This hole was a scant .23 inches in diameter.
- 这个洞眼的直径只有0.23英寸。
来自柯林斯例句
- 2. the diameter of a tree trunk
- 树干的直径
来自《权威词典》
- 3. A diameter passes through the center of a circle.
- 直径从圆心穿过.
来自《简明英汉词典》
- 4. The diameter and the circumference of a circle correlate.
- 圆的直径与圆周有相互关系.
来自《现代英汉综合大词典》
- 5. The axis of a circle is its diameter.
- 圆的轴线是其直径.
来自《简明英汉词典》