1. 形容詞
   無防備的, 未設防的
   無人擁護的
   無論據證實的
   無辯護人的, 無辯護的
   

   同義字詞
   defenseless,exposed,helpless,susceptible,unguarded,unprotected,unresistant,vulnerable
   

例句

1. Old copyrights are usually left undefended .
2. Are we undefended enough to receive the word?
3. So the home ports were literally, undefended .
4. This left the port of Brill almost undefended .
5. This force rapidly secured the undefended island.
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