| 释义 | te·trap·o·da I. \te.ˈtrapədə\ noun plural
 Usage: capitalized
 Etymology: New Latin, from neuter plural of Greek tetrapodos four-footed, from tetrapod-, tetrapous
 : a division of butterflies including those with only two pairs of perfect legs
 II. noun plural
 Usage: capitalized
 Etymology: New Latin, from Greek, neuter plural
 in former classifications  : a division of vertebrates including all forms above fishes
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