用作定语
▲～+n.
The medicine had a potent effect on your disease.这药物对你的病疗效很大。
He was once a potent ruler.他曾经是有权势的统治者。
This is a potent reason.这是一个令人信服的理由。

［派生词］ potently adv. 强有力地；有效力地