sour=having a sharp, sometimes unpleasing taste or smell (like lemon)
portion=a part of any whole, either separated or integrated with it.
well-done= having a pleasing taste or smell (in this case only)
greasy=somethig contaiting or cooked with a large amount of fat or oil
stale=something that is no longer fresh or pleasing to eat
right-away=something without delay or hesitation
