The word "languish" means to be forced to live in an a bad situation. For example, "The murder languished in jail for many years".
To prolong something is to extend it or make it longer. An example sentence would be: The date was going so great, they wanted to prolong it.
A petition that languished on the warden's desk for a year.
By eating healthy you will prolong your life.
It means a delay. My brother prolongs all of his homework.
If you mean how to use perpetuate in a sentence, here is an example:They say laughter is the key medicine to perpetuate your life.(perpetuate- to extend or prolong)
Radiation of foods, etc, to prolong freshness. Considered to be dangerous.
Epilogue is the correct spelling. (A short speech performed to an audience at the end of a play; an afterword at the end of a novel)
By eating healthy you will prolong your life.
Don't prolong the agony, tell me the bad news now.
Regular maintenance will help to prolong your car's engine life.
Avoiding going to the dentist with a bad tooth will only prolong the agony !
It means a delay. My brother prolongs all of his homework.
The doctors decided to do an invasive procedure that would be painful and prolong my recovery time...
The weather was fine, we wished we could prolong our holiday
The adjective for prolong is prolonged.
prolong
Prolonged exposure to UV radiation can cause skin cancer.
Smoking does hurt your immune system and can prolong healing.
The best way to prolong the efficiency of garbage disposal blades is to not use them.