单词	Prandtl, Ludwig
释义	Ludwig Prandtl /ˈprant(ə)l / (1875–1953), German physicist. He established the existence of the boundary layer and made important studies on streamlining.
随便看	appurtenant APR Apr. APRA apraxia apraxic a pretty (or fine) kettle of fish a pretty penny a price on someone's head apricot apricot plum apricot tree April Aprilesque April Fool April 'foolery April Fool's Day April Fools' Day April-gowk Aprilish April shower April showers bring (forth) May flowers a priori apriorism apron

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