| 单词 | chiropterygium | 
| 释义 | chiropterygiumnoun  chi·rop·te·ryg·i·um   ¦kīˌräptə¦rijēəm    plural -s     : the typical jointed and fingered limb of a vertebrate animal conceived of as having developed from a finlike appendage   compare ichthyopterygium   | 
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