資料來源 : pyDict

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資料來源 : Webster's Revised Unabridged Dictionary (1913)

Springtail \Spring"tail`\, n. (Zo["o]l.)
   Any one of numerous species of small apterous insects
   belonging to the order {Thysanura}. They have two elastic
   caudal stylets which can be bent under the abdomen and then
   suddenly extended like a spring, thus enabling them to leap
   to a considerable distance. See {Collembola}, and {Podura}.

資料來源 : WordNet®

springtail
     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: {collembolan}]