• n. 直径

dia-, 穿过。-meter, 测量。用于数学名词直径。

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)).

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》