magnesium flare

例句：

1. 1. The magnesium flare illuminated the night sky.
   镁火照亮了夜空。
2. 2. The magnesiumflare was used to create a bright lightshow.
   镁火被用来创造一个明亮的灯光秀。
3. 3. The magnesium flare wasused as a source of energy in thefireworks display.
   镁火作为烟花表演的能量来源。