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2 total sentences available.
Ralph tried to listen above the steady lub-dub, lub-dub of Ryan's heart, but soon he grew bored. Ryan's shirt was new and the flannel still fuzzy. Ralph nipped a hole in the front of the pocket for a better view and then, lulled by the muffled lub-dub, lub-dub and the steady rise and fall of Ryan's chest, fell asleep as if he were being rocked in a cradle.
Source: wiktionary
I pulled my eyes away to glance downstream at a cinder cone perched at the brink of the left Esplanade above the mouth of Prospect Canyon and the still-hidden Lava Falls. My heart lub-dubbed a few beats quicker.
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.