In the program, everybody also again mentioned that Beijing Olympic Games opening ceremony ignites the ceremonial fire incident. 节目中，大家又再提到北京奥运开幕式燃点圣火一事。
Although hydrogen is flammable, it has a higher ignition temperature than gasoline and disperses in the air much more quickly, reducing the risk of fire. 氢虽然可以燃烧，但它的燃点高于汽油，在空气中消散的速度也快得多，降低了发生火灾的危险。
