approximation

n. 近似值

appro, approach, approach to, approachability, approachable, approbation, appropriate, appropriately, appropriateness, appropriation, approval, approve, approve of, approved school, approving, approvingly, approx, approximate, approximate to, approximately, appurtenance, Apr, apres-ski, apricot, April, April Fool, April Fool's Day, apron, apropos, apropos of, apse, apstream, apt, aptitude, aptitude test, aptly, aptness, Aqualung, aquamarine, aquaplane,