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arcograph
释义
WordReference Random House Unabridged Dictionary of American English © 2024
arc•o•graph
(är
′
kə graf′, -gräf′),
USA pronunciation
n.
[
Geom.
]
Mathematics
an instrument for drawing arcs, having a flexible arc-shaped part adjusted by an extensible straight bar connecting its sides.
arc
+ -
o
- + -
graph
1815–25
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更新时间:2026/6/22 17:10:13