have been bulging
Present perfect progressiveconjugation ofbulge.There are other translations for this conjugation.

bulge

One pair of these muscles appears to have been bulging as a muscle does when contracting.
Un par de estos aparecen haber sufrido hinchazón como cuando un músculo se contrae.
Other Dictionaries
Explore the meaning of bulge in our family of products.
Word of the Day
to dive