单语范例（未经PONS编辑处理）
Later he learned the flute, a somewhat louder instrument, so that he could hear himself in sessions.
en.wikipedia.org These are larger than the 300 and 500 units, offering louder sound and a wider, automotive grade screen.
en.wikipedia.org The second hit under the bridge with a dull thud, much louder than the duds heard only on sonar but lacking the whacking noise which accompanies a wholehearted explosion.
en.wikipedia.org Songs for defense are louder, more bombastic, laced with power chords, in hopes of disrupting the opposing teams' pre-play preparations.
en.wikipedia.org Their vocalizations range from soft cheeps to piercing cries, but they lack the screeching voice of other parrots; males are, however, louder than females.
en.wikipedia.org