Among parent,this was fulled by social media,with up to half
exprosed to negative messages about vaccines.
目前讀到一篇bbc文章,主題主要是在講 家長接收到疫苗的負面訊息而對小孩接踵疫
苗感到恐懼,上面句子中不太明白with up to half exprosed to negative
messages指的是有多達一半的人(家長)接觸到疫苗的負面訊息
還是指有多達一半的疫苗負面訊息"被揭露"?
謝謝各位英文大師^^