1. 千克；公斤
A kilogram is a metric unit of weight. One kilogram is a thousand grams, or a thousandth of a metric ton, and is equal to 2.2 pounds.
e.g. ...a parcel weighing around 4.5 kilograms.
重约4.5千克的包裹
e.g. ...a kilogram of butter.
1公斤黄油
名词公斤；千克网络公斤n；如千克；一公斤