音标发音英式音标 [ˌbest.bɪˈfɔː ˌdeɪt]美式音标 [ˌbest.bɪˈfɔːr ˌdeɪt]英式发音 美式发音 基本解释（食品的）保質期。同根派生 best-before date相关词英英字典劍橋英英字典 the day or month before which food or drink should be eaten or drunkbest-before date剑桥字典best-before date柯林斯字典