prototype kilogram造句

例句与造句

1. The unit of mass is the kilogram which is defined as the mass of the international prototype kilogram maintained at the international bureau of weights and measures ( bipm ) in france
   质量质量的单位是千克，其定义为在法国的国际计量局( internationalbureauofweightsandmeasures )所持的国际公斤原器( internationalprototypekilogram )的质量。
2. It's difficult to find prototype kilogram in a sentence. 用prototype kilogram造句挺难的