filled with和covered with的区别

filled with是充满的意思，而covered with则是用什么覆盖的意思，区别可以从以下例子看出：I have filled unlead petrol, then covered with lid, if I forgot to cover it the petrol might be spreaded. That is dangerous. 我加了无铅汽油，然后盖上盖子，如果我忘记盖上，汽油可能会散开。

那很危险。