单词 | kilogram |
释义 | kilogram/ˈkɪləɡram /(also kilogramme , abbreviation kg) noun The SI unit of mass, equivalent to the international standard kept at Sèvres near Paris (approximately 2.205 lb).These systems would send tens or hundreds of kilograms instead of tons into orbit per launch....
OriginLate 18th century: from French kilogramme (see kilo-, gram1). |
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