【单选题】Steamboat decks teemed not only with themain current of pioneeringhumanity, but its flotsam ofhustlers, gamblers, and thugs as well. (Para. 5)What kind of figure of speech has been usedin this sentenc...
【单选题】What is the rhetoric device used in the sentence “Steamboat decks teemed not only with the main current of pioneering humanity, but its flotsam of hustlers, gamblers, and thugs as well”?