词汇 | SI unit |
释义 | SI unit noun [ C ] science specialized uk/ˌesˈaɪ ˌjuː.nɪt/ us/ˌesˈaɪ ˌjuː.nɪt/ 国际标准单位 a unit of measurement that is part of a system used for scientific and technical work all over the world The SI unit of length is the metre. 长度的国际标准单位是米。 |
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