音标发音英式发音 美式发音 基本解释真正的考验；严峻的考验；决定性的考验。同根派生 英汉例句noun [ S ]It looks good, but will people buy it? That's the acid test. 看上去不错，但人们会买它吗？这才是真正的考验。英英字典剑桥英英字典 the true test of the value of something