In this situation, even if Lin Li and Bai Bufan stood up, they wouldn't see anything.
This group of girls in the front row is really... kind.
—Life is not short of beauty, but of eyes that discover it.
Since they couldn't see the bubbles in the petri dish, Lin Li and Bai Bufan settled for watching the butts of the girls in the front row.
Nice.
Who the hell wants to look at those boring bubbles.
Hey, wait, damn it.
Why did the boys in the front row stand up too, who are you sticking that smelly butt out for?
Hey, what the heck, these guys are so selfish.
"To obtain pure hydrogen gas, you need to use the water displacement method, which was demonstrated before. This time we won't demonstrate it; we'll directly use the electronic igniter for remote ignition. Since it's definitely not pure, if everyone stays quiet, you'll be able to hear the popping sound and see the flame."
