1. 名詞
   附加物, 附屬物
   附屬器官, 附屬肢體
   an appendage of/to ...(事物):
   ...的附加物
   ...的附屬物
   

   同義字詞
   accessory,accessary,accoutrement,accouterment,adapter,adaptor,add-on,adjunct,appliance,attachment,option
   

例句

1. Your book is a fifth appendage .
2. Appendage on each tarsal claw absent.
3. The appendage of "de Mora" was added in 1861.
4. This appendage evolved as a 'defensive weapon'.
5. You start off as an appendage of somebody else .
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