cure-all

Many ancient stories mention a cure-all capable of healing any illness.

用法提示：cure-all在此句中为单数名词，指能治愈所有疾病的假想药物。

Scientists warn that no single drug can act as a cure-all for every sickness.

用法提示：cure-all用作名词，表示针对所有疾病的万能药，此处作介词as的宾语。

In the past, dishonest merchants sold fake cure-alls to poor families.

用法提示：cure-alls是cure-all的复数形式，在此句中指多种假万灵药。