将“kilo"翻译成中文

She once proudly stated that she was going to lose 5 kilos of fat in a single month.

她曾经夸口说一个月之内要减掉5公斤赘肉。

I'm also going to need a couple of kilos of calf's liver.

我 还 需要 几千克 小牛 的 肝脏

I can't lift a suitcase heavier than 30 kilos.

我没法举起超过30千克的箱子。