Он зажал себе ноздри, чтобы не чувствовать запах гниения.
He pinched his nostrils so that he wouldn't smell the stench of decay.
This entry is concerned with the word ноздри denoting the nostrils of human beings and animals. No specific words or expressions exist for the nostrils of animals. Common sense will dictate which of the expressions in this entry can or cannot be
used to refer to animals.