A lifebuoy is provided with self-igniting light and self-activating smoke signal which is available for use by dayand at night and to be equally distributed on both sides of the ship.

用途：该信号能提供自亮灯和自发烟雾信号供白昼和黑夜使用并相等地分布在船舶两舷。

youdao

Fanny Mann yanked open the door then, igniting the dome light.

NEWYORKER: Shauntrelle

After twenty minutes, Benny Avni suddenly got up, went down to the basement, and turned on the light, igniting a whole swarm of insects.

NEWYORKER: Waiting