一辆消防车疾驰而过。

A fire engine ___flashed ___by.

但有一天，一个想法在她脑海中闪过。

But one day an idea ___flashed ___through her mind.

当你全神贯注工作时，时间飞逝而过。

Time ___flashes ___by when you're engrossed in work.