The electric wand in the experiments essentially uses electricity to push the flame away from the burner, detaching it from the fuelsource, so it goes out.
实验中的电棒本质上是用电把火焰从燃烧器中推开，把它从燃料源中分离出来，然后火就熄灭了。
2
Your body USES carbohydrates as its main fuelsource.
你的身体将碳水化合物作为其主要的燃料来源。
3
The hydrogen could then be used as a fuelsource for vehicles or fuel cells.