单词	铅长石
释义	铅长石Lead feldspar
随便看	upper belly upper bench upper bend upper binder upper blade upper blade-- upper belly-- upper leaf upper body upper-body-clearing pill upper body vs. lower body upper bound upper boundary upper-bound constraint upper bounded linear programming problem upper bounded variable upper bounding method upper bound of information translation amount upper bound solution upper bound symbol upper bound theorem upper bracket upper-bracket upper bracket-arm upper branch upper branch of meridian upper bridge