| 单词 | sensible horizon | 
| 释义 | sensible horizon [`sen·sǝ·bǝl hǝ`rīz·ǝn]  ASTRONOMY That circle of the celestial sphere formed by the intersection of the celestial sphere and a plane through any point, such as the eye of an observer, and perpendicular to the zenith-nadir line.  | 
	
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