常見(jiàn)例句Maybe there was going to be a gleam of light this morning.可能今天早上會(huì)閃電。It is because light travels faster than sound that we see lightning before we hear thunder.因爲(wèi)光的傳播速度比聲音快,所以我們先看見(jiàn)閃電後聽(tīng)見(jiàn)雷聲。 返回 rush light