Punctuated

The old man's narrative was punctuated by coughs.

We could apply the theory of punctuated equilibrium to languages.

The Treasurer's budget speech was punctuated by regular shouts of "Hear, hear!" from members on his side of the House.

Listening to a Portuguese conversation is an unreal experience. A completely opaque string of phonemes, occasionally punctuated by a crystal-clear "Sim, senhor."

During hay fever season, Mary's sentences were usually punctuated by sneezes.

At night, the silence is occasionally punctuated by police vans using loudspeakers to broadcast health warnings and advice on preventing transmission.

That sentence needs to be properly capitalized and punctuated.

He punctuated his sentences with various superlatives.

The otherwise dark and serious comic is punctuated by pages of zany side stories.