v.点燃,引发( ignite的第三人称单数 );
例句:
When the spark ignites, the voltage drops.
当火花点燃, 电压下落.
An electric spark ignites the petrol in a car engine.
电火花点燃了汽车引擎.
It ignites at the end furthest from the muzzle.
在离炮口很远的一端点火.