牛奶瓶的英语是 "milk bottle"。
"milk" 是指牛奶这种食品，"bottle" 是指装牛奶的容器。这种说法在 20 世纪初就已经出现，主要是用来描述用玻璃制成的，用来装牛奶的瓶子。
例句：
"Can you please bring me a milk bottle from the fridge?" (请把冰箱里的牛奶瓶给我)
"I remember when milk bottles were depvered to our doorstep every morning." (我记得每天早上牛奶瓶会被送到我们的门口)
"She washed the milk bottles and put them back in the crate." (她洗了牛奶瓶，把它们放回箱子里)