we need two bags of rice.划线部分two bags of
问题描述：
we need two bags of rice.划线部分two bags of
答
How many bags of rice do you need?
答
译为两份 翻译不能只看字面意思，必须根据句子的语境翻译
答
What do you need?（对two bags of rice 提问）
How much rice do you need?(对two bags of 提问)
答
译为两包；
数量形容词