Answer:
lifelessly, casually, halfheartedly, sluggishly, idly, lazily, spiritlessly, Desultorily, indolently, wearily, sleepily, listlessly, lackadaisically, tiredly, languidly.
Explanation:
these are some antonyms for laboriously which means :in a way that takes considerable time and effort.
The excerpt reveals that Romeo is not a violent person who wishes to take away someone's life. It shows that he is kind spirited and doesn't want to participate in the fight.
For making a plane that was actually able to fly.
in a way it's dum but it also help them prodict future viruses like them could have predicted the Corona but they was to lazy to identify it.
Definitely tigers, lions and bears maybe elephants too