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单词	latus rectum
释义	latus rectum noun la·​tus rec·​tum ˈla-təs-ˈrek-təm  : a chord of a conic section (such as an ellipse) that passes through a focus and is parallel to the directrix Word History Etymology New Latin, literally, straight side First Known Use 1702, in the meaning defined above
随便看	dysgraphias dyskinesia dyskinesias dyskinetic dyslalias dyslecticcer dyslecticcest dyslecticer dyslecticest dyslectics dyslexia dyslexiac dyslexias dyslexic dyslexiccer dyslexiccest dyslexicer dyslexicest dyslexics dyslogistic dyslogistically dysluite dysmenorrhea dysmenorrheas dysmenorrheic

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