在英文中，我们可以用以下语句来表示“爷爷在喝牛奶”的意思：
"Grandfather is drinking milk."
"My grandfather is having a glass of milk."
关于“爷爷”，在英文中可以用"grandfather"或"grandpa"来表示。"Grandfather"是正式的称呼，"grandpa"则更加亲切。
来源：
"Grandfather"和"grandpa"都来自英语的“爷父”的意思。"Grand-"来自拉丁语的"grandis"，意为"大的"或"高贵的"，而"-father"则来自古英语的"faeder"，意为"父亲"。
英文例句及其中文翻译：
"My grandfather always starts his day with a glass of milk."（我的爷爷总是早上喝一杯牛奶。）
"Grandfather, would you pke some more milk?"（爷爷，你想再喝点牛奶吗？）
"Grandpa can't get enough of his morning milk."（爷爷每天早上都喜欢喝牛奶。）
"Grandfather is drinking milk."
"My grandfather is having a glass of milk."
关于“爷爷”，在英文中可以用"grandfather"或"grandpa"来表示。"Grandfather"是正式的称呼，"grandpa"则更加亲切。
来源：
"Grandfather"和"grandpa"都来自英语的“爷父”的意思。"Grand-"来自拉丁语的"grandis"，意为"大的"或"高贵的"，而"-father"则来自古英语的"faeder"，意为"父亲"。
英文例句及其中文翻译：
"My grandfather always starts his day with a glass of milk."（我的爷爷总是早上喝一杯牛奶。）
"Grandfather, would you pke some more milk?"（爷爷，你想再喝点牛奶吗？）
"Grandpa can't get enough of his morning milk."（爷爷每天早上都喜欢喝牛奶。）