bow compass
短语n. 圆规
词形变化
bow compasses
复数
bow compasses
释义与例句
n.
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1.
An arcograph.
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2.
A small pair of compasses, one leg of which carries a pencil or pen for drawing circles. Its legs are often connected by a bow-shaped spring rather than a joint.
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3.
A pair of compasses with a bow or arched plate riveted to one of the legs and passing through the other.