a.

1. 防御的；保护的；保卫的
   a defensive treaty

   防御条约

2. 防御用的，防护用的
   defensive armor

   防护用铠甲

3. 【心】防御的，自卫的[（+about）]
   They were very defensive about their party's record on tax reform.

   他们为他们的党在税制改革问题上的记录百般袒护。

n.

1. 守势，防守状态[the S]
   put somebody on the defensive

   使某人处于防御地位

2. 防御物

adj.

1. used or intended to defend or protect.
   ▸(in sport) relating to or intended as defence.
2. very anxious to challenge or avoid criticism.