diameter
英 [daɪ‘æmɪtə]美 [daɪ‘æmɪtɚ]- n. 直径
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.