Bubble gum is a type of chewing gum, designed to freshen breath and to be inflated out of the mouth as a bubble.
https://en.wikipedia.org/wiki/Bubble_gum
Iphone Bubble gum
Work is slow...
"There are all kinds of interesting questions that come from a knowledge of science, which only adds to the excitement and mystery and awe of a flower."
Yli-li
Iphone Bubble gum
Work is slow...