crucial test短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 决定性实验,判决试验 which presents leading Democrats, and above all, Barack Obama, with a crucial test: will they be willing to confront a core part of their membership in the interests of America’s children? 这给民主党领导人，特别是奥巴马，出了一道难题：他们是否会为了美国儿童的利益而与党内的核心成员发生冲突？ ecocn