一杯用英语怎么说

一杯用英语可以说作"a cup". 来源：这个词源自古英语单词"cuppe"，它可能来自旧英语单词"cupp"或者拉丁语单词"cuppa"，都指"一杯"的意思。英文例句：

Can I have a cup of coffee, please?
She poured a cup of milk into the bowl.
He filled a cup with water and took a sip.