音标发音英式音标 [ˈkrɒsˌtreɪ.nɪŋ]美式音标 [ˈkrɑːsˌtreɪ.nɪŋ]英式发音 美式发音 基本解释多项目交叉训练。同根派生 英汉例句noun [ U ]a cross-training programme 多项训练计划英英字典剑桥英英字典 exercise that makes your whole body stronger by combining several different activities