音标发音英式音标 [ˌfɔː.baɪˈfɔːr]美式音标 [ˌfɔːr.baɪˈfɔːr]英式发音 美式发音 基本解释（车辆的）四轮驱动。同根派生 four-by-four相关词英英字典剑桥英英字典 a vehicle whose engine supplies power to all four wheels instead of the usual two, so that it can travel easily over difficult groundfour-by-four剑桥字典four-by-four柯林斯字典