canvasser

n.

检票员，游说者，推销员；

复数：canvassers

1. It seems the canvasser was once a general.
   那位推销员好像原来是一位将军。

Contemporary 2-year outcomes of complex gastroschisis.
Redirecting
Water powered auxiliary sump pump
Device for preventing back syphoning in water pipes
Paraspinous muscle as a predictor of surgical outcome
The economics of stone disease.
Diagnostic Accuracy of Multiparametric Magnetic Resonance Imaging to Identify Clear Cell Renal Cell Carcinoma in cT1a Renal Masses.
Do Urinary Cystine Parameters Predict Clinical Stone Activity?
Ablative Therapies for the Treatment of Small Renal Masses: a Review of Different Modalities and Outcomes.
First prize: Chitosan and the urothelial barrier: effects on ureteral intraluminal drug penetration and peristalsis.