1 breast

2 udder

1 milk

2 lotion

3 emulsion

1 cheese

2 classifier: 块 kuài

3 classifier: 盒 hé

4 classifier: 片 piàn

1 mother's milk

1 pickled tofu

1 smell of mother's milk not yet dried (idiom); immature and inexperienced

2 still wet behind the ears