diameter是什么意思 diameter的用法 diameter怎么读

diameter

英 [daɪ'æmɪtə]美 [daɪ'æmɪtɚ]

n. 直径

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中文词源

diameter 直径

dia-, 穿过。-meter, 测量。用于数学名词直径。

英语词源

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)).

权威例句

1. This hole was a scant .23 inches in diameter.

这个洞眼的直径只有0.23英寸。

2. the diameter of a tree trunk

树干的直径

3. A diameter passes through the center of a circle.

直径从圆心穿过.

4. The diameter and the circumference of a circle correlate.

圆的直径与圆周有相互关系.

5. The axis of a circle is its diameter.

圆的轴线是其直径.

[ diameter 造句 ]