可以这样问:how much is it?
可以这样回答:one point five yuan per half kilogram.
或是:three yuan per kilogram
大家在这里要注意的是,在英文中没有斤这个说法,所以我们要是说得正常一点,或是说得像一点正综的英语的话,请说公斤,也就是KG:kilogram.
How much is this?
一元五a dollar fifty
a dollar fifty for half a kilogram
How much of the XX per gram?
One point five Yuan.