我感到腿部一阵剧痛。

I felt ___a ___sharp ___pain in my leg.

当她拨通号码时，她感到头晕，然后胃部一阵剧痛。

When she dialed the number, she felt dizzy and then ___a ___sharp ___pain in her stomach.

胸部一阵剧痛让他喘不过气来。

___A ___sharp ___pain in his chest made him gasp for breath.