"three-day convention" — Kollokationen-Wörterbuch Englisch

three-day convention Kollokation
Automatische Übersetzung (wir garantieren seine Korrektheit nicht): trzydniowa konwencja
  1. three-day Adjektiv + convention Substantiv
    Schwache Kollokation

    But even these activities are a pale shadow of the elaborate three-day conventions that were standard at the school until 1972.