音标发音英式音标 [ˌnætʃ.ər.əl ˈsaɪ.ən.sɪz]美式音标 [ˌnætʃ.ɚ.əl ˈsaɪ.ən.sɪz]英式发音 美式发音 基本解释自然科学（如生物、物理和化学）。同根派生 the natural sciences相关词英英字典剑桥英英字典 subjects such as biology, physics, and chemistry in which things that can be seen in nature are studiedthe natural sciences剑桥字典the natural sciences柯林斯字典