单词 | crosshair |
释义 | crosshair in British English (ˈkrɒsˌhɛə) noun either of the two fine mutually perpendicular lines or wires that cross in the focal plane of a theodolite, gunsight, or other optical instrument and are used to define the line of sight Also called: crosswire Examples of 'crosshair' in a sentence |
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