pimple

n. 丘疹,面泡,疙瘩

The pimple came to a head before bursting.

丘疹长成脓包後才破裂.

The tip of an abscess, a boil, or a pimple, in which pus forms.

脓头中间有脓液的脓疮、疖或丘疹的顶端