单词	swim fin
释义	swim fin noun : flipper sense 1b Example Sentences Recent Examples on the Web In 2022 the swim fin was on the other foot—and the importance of the technological treasure sitting on the seabed was gargantuan. Jason Sherman, Scientific American, 2 May 2022 Weber had been wearing a diving mask and swim fins but not a snorkel. Cnn.com Wire Service, The Mercury News, 23 Sep. 2019 These all-rubber swim fins are flexible enough to boost maneuverability underwater, but the vertical spines on their outside edges help stabilize the blade—giving you more oomph out of each kick. Michael Calore, WIRED, 24 June 2019 Both Pamperin and Lehrer were wearing swim trunks, face masks and swim fins. sandiegouniontribune.com, 15 June 2018 Franklin is also credited with inventing the lightning rod, the Franklin stove, and swim fins, among other highly useful objects. Bethany Ao, Philly.com, 17 Apr. 2018 Word History First Known Use 1947, in the meaning defined above
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