The flash of an explosion reaches us before the sound, though the two are simultaneous.

爆炸后，我们先看到闪光然后才听到声音，虽然它们是同时发生的。

youdao

The flash of an explosion reaches us before the sound, though the two are simultaneous.

爆炸后，我们先看到闪光然后才听到声音，虽然它们是同时发生的。

youdao