单词	oligotrophic
释义	oligotrophic adjective ol·​i·​go·​tro·​phic ˈä-li-gō-ˈtrō-fik  ˈō-; ə-ˈli-gə- : having a deficiency of plant nutrients that is usually accompanied by an abundance of dissolved oxygen clear oligotrophic lakes Example Sentences Recent Examples on the Web Luisa Falcón, a microbial ecologist at the National Autonomous University of Mexico, has studied oligotrophic microbes all over the world. Allison Keeley, The New Yorker, 12 July 2021 Mashapaug Lake is oligotrophic — largely free of nutrients — so the water is very clear and paddlers can see down about 20 feet. Frank Cohen, courant.com, 18 May 2017 Word History Etymology International Scientific Vocabulary First Known Use 1911, in the meaning defined above
随便看	palm oneself off as palm play palm print palm prints palm reader palm rest palm rhinoceros beetle Palm Springs palm squirrel palm starch palm stay palm sugar Palm Sunday palm swift palm tree palm vaulting palm viper palm warbler palm wax palm weevil palm wine palm wool palm worm palm-grass palm-kernel oil

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