stumper
英 ['stʌmpə] 美 ['stʌmpə]

n.

作竞选演说者，难题；

英英释义

stumper[ 'stʌmpə ]

• n.a particularly difficult or baffling question or problem

  同义词：posertoughiesticker

权威例句

Influence of Nonideal Calibration Items on S
Modellprädiktive Strom- und Drehzahlregelung permanenterregter Synchronmaschinen
Eine Methode zur Robusten Erweiterung einer modellprädiktiven Regelung am Beispiel einer Minimum-Zeit-Regelung für Drehstrommotoren
Water management in PEM fuel cells
CO adsorption and oxidation on Pt and PtRu alloys: dependence on substrate composition
In-situ methods for the determination of current distributions in PEM fuel cells
Midterm results after restoration of the morphologically left ventricle to the systemic circulation in patients with congenitally co...
Resolution of protein-losing enteropathy and normalization of mesenteric Doppler flow with sildenafil after Fontan.
Physical Theory of Platinum Nanoparticle Dissolution in Polymer Electrolyte Fuel Cells
Outcome after prenatal diagnosis of hypoplastic left-heart syndrome: a case series