单词	pugmark
释义	pugmark noun pug·​mark ˈpəg-ˌmärk  : footprint specifically : the footprint of a wild mammal (such as tiger or leopard) … all he'd found were a pair of legs and a few red traces in the snow, surrounded by the pugmarks of a tigress. Peter Matthiessen Example Sentences Recent Examples on the Web Russia’s researchers have counted Siberian tigers’ pugmarks—the same technique that led to India’s pre-2008 overestimates. National Geographic, 20 Apr. 2016 The previous method used spoor (paw prints, also called pugmarks, and scat), which often led to the same animal being counted multiple times. National Geographic, 20 Apr. 2016 Word History First Known Use 1922, in the meaning defined above
随便看	euler's diagram Euler's equation Euler's formula Euler-Chelpin Euless eulittoral eulogia eulogiae eulogias eulogic eulogical eulogies eulogious eulogise eulogised eulogiser eulogisers eulogises eulogising eulogism eulogist eulogistic eulogistically eulogists eulogium

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