单词 | springtail |
释义 | springtail (once / 454589 pages) n WORD FAMILY springtail: springtails USAGE EXAMPLESThose with heathland soil also had a greater diversity of springtails and mites. Science Magazine(Jul 11, 2016) Also present in prodigious numbers are microscopic mites and primitive wingless insects called springtails. Rachel Carson, Silent Spring(1962) The previous oldest animal sperm was from springtails preserved in Baltic amber, about 40 million years old2. Nature(Jul 14, 2015) n any of numerous minute wingless primitive insects possessing a special abdominal appendage that allows the characteristic nearly perpetual springing pattern; found in soil rich in organic debris or on the surface of snow or water Syn|Hyper collembolan insect small air-breathing arthropod |
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