pang|pangs

看到那张老照片时，他突然感到一阵强烈的怀旧之情。

He felt a sharp ___pang of nostalgia when he saw the old photo.

饥饿感突然袭来，他感到一阵阵痛。

He felt sharp ___pangs of hunger suddenly.

听到这首歌时，她心头涌起一丝怀旧之情。

Listening to this song brought a ___pang of nostalgia to her heart.