You can go to the Supermarket and buy a bottle of milk, and depending on the type of bottle you have, twist or pop the lid off to get the milk from the bottle. Pour it out.
Singular possessive: mother's milk Plural possessive: mothers' milk
Yeah, kittens don't care where they get the milk...all they know is that they are thirsty/hungary.
Pour it out.
A bottle of milk is a bottle filled with milk. A milk bottle can be reused many times by recycling which helps the environment to be clean.