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单词 tardigrade
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tar•di•grade  (tärdi grād′),USA pronunciation n. 
  1. MicrobiologyAlso called bear animalcule, water bear. any microscopic, chiefly herbivorous invertebrate of the phylum Tardigrada, living in water, on mosses, lichens, etc.

adj. 
  1. Microbiologybelonging or pertaining to the phylum Tardigrada.
  2. slow in pace or movement.
  • Latin tardigradus slow-paced. See tardy, -grade
  • 1615–25

Collins Concise English Dictionary © HarperCollins Publishers::
tardigrade /ˈtɑːdɪˌɡreɪd/ n
  1. any minute aquatic segmented eight-legged invertebrate of the phylum Tardigrada, related to the arthropods, occurring in soil, ditches, etc
    Popular name: water bear
Etymology: 17th Century: via Latin tardigradus, from tardus sluggish + gradī to walk
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