Hey there,
Acrid, piercing, acute, and keen are all synonyms of the word pungent. The word pungent id an adjective and based on my research, this word means "having a sharp and strong taste of smell".
~Jurgen
The first sentence of your answers
They cover his eyes while it happenig
It is the reason something exist for example if you ask what the purpose of a car is you would say its purpose is to get me from one place to another.
