1. When it did so, it sent sparks down to the ground and these immediately started a fire.
    当它这样做时，把火花送到了地面，这些火花立刻引起了一场大火。

2. Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
    黑色的小盒子放出火花，红灯刺眼地忽亮忽灭。

3. Sparks from the fire were flying up the chimney.
    火星沿著烟囱向上飘.

4. Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
    小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。

5. One can strike out sparks from flint with steel.
    用钢敲打火石，可以打出火花。