| 词汇 | atomic-mass-unit |
| 释义 | atomic mass unit noun[ C ] chemistry specializeduk /əˌtɒm.ɪk ˈmæs ˌjuː.nɪt/ us /əˌtɑː.mɪk ˈmæs ˌjuː.nɪt/(abbreviationu) a unit used for measuring atomic mass, equal to one twelfth of the mass of an atom of carbon in its commonest form, carbon-12原子质量单位（等于碳－12原子质量的十二分之一） Measurements of weight & mass -pounder atomic mass BMI body mass index bulk density carat centigram ct G, g gm hundredweight kilogram lb microgram ounce oz pound st talent ton atomic mass unit | American Dictionaryatomic mass unit noun[ C ] us/əˈtɑm·ɪk ˈmæs ˌju·nɪt/ chemistry, physics one-twelfth the mass of one atom of carbon |
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