单词 | sapropel |
释义 | Word Frequency sapropel(ˈsæprəˌpɛl) noun an unconsolidated sludge consisting of the decomposed remains of aquatic organisms, esp algae, that accumulates at the bottoms of lakes and oceans Derived forms sapropelic (ˌsaproˈpelic) adjective Word origin C20: from sapro- + -pel from Greek pēlos mud |
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