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)).
雙語例句
1. This hole was a scant .23 inches in diameter.
這個(gè)洞眼的直徑只有0.23英寸。
來自柯林斯例句
2. the diameter of a tree trunk
樹干的直徑
來自《權(quán)威詞典》
3. A diameter passes through the center of a circle.
直徑從圓心穿過.
來自《簡明英漢詞典》
4. The diameter and the circumference of a circle correlate.