消防员是勇敢的防护者，他们冲进燃烧的大楼救人。

The firefighters are brave ___defenders who rush into burning buildings to save people.

我们的后卫成功阻止了对方前锋得分。

Our ___defenders successfully blocked the opponent's striker from scoring.

辩护律师成功说服了陪审团，使当事人获得了无罪判决。

The ___defenders convinced the jury and secured an acquittal for their client.