A "burning bush" produces volatile oils which can catch fire readily in hot weather. This experiment shows the flammability of these oils.

“燃烧的灌木”会产生挥发油，在炎热的天气里很容易着火。 这个实验表明了这些油的易燃性。

A "burning bush" produces volatile oils which can catch fire readily in hot weather. This experiment shows the flammability of these oils.

“燃烧的灌木”会产生挥发油，在炎热的天气里很容易着火。 这个实验表明了这些油的易燃性。