爷爷奶奶用英语怎么说？

爷爷奶奶用英语是 Grandfather and grandmother.
或 Grandparents.

My grandparents are very kind to me.

爷爷奶奶用英语说就是：Grandma and grandpa，在英语中女士优先，所以一般男士和女士并列时，一般都时把女士放前边。

爷爷用英语表达为grandpa,奶奶用英语表达为grandma,爷爷奶奶可以表达为grandparents

爷爷奶奶用英语说是grandparents，
爷爷是grandfather；
奶奶是grandmother。