音标发音英式音标 [ˌesˈaɪ ˌjuː.nɪt]美式音标 [ˌesˈaɪ ˌjuː.nɪt]英式发音 美式发音 基本解释国际标准单位。同根派生 SI unit相关词英汉例句noun [ C ]The SI unit of length is the metre. 长度的国际标准单位是米。SI unit更多例句英英字典剑桥英英字典 a unit of measurement that is part of a system used for scientific and technical work all over the worldSI unit剑桥字典SI unit柯林斯字典