Definition: a large female farm animal kept to produce meat and milk Level: A1
这头奶牛产很多牛奶。
This ___cow gives a lot of milk.
我喜欢看小牛犊和它的妈妈在一起。
I like to see the calf with its mother ___cow.
一头奶牛生产牛奶和肉类。
A dairy ___cow produces milk and meat.
