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相关学习资料：

defense

常考释义

n. 防御

the act or method of defending or protecting oneself; the capability of resisting attack

ex: We do not always have the luxury of choice when timing our attack and defense.我们经常极少有机会选择何时攻击或防御。

音频中例句

But jelly fish usually use it as a defense against predators.

水母通常将它作为一种防御手段抵御猎食者。

政治：the Ministry of Defense 国防部

体育：defense 防守

法律：come to one’s defense 为某人辩护

练习

判断下列句子中defense及其搭配的短语意思：

1. The tannins are part of the defense mechanism that is essential to longevity.

2. Well, what is his defense of slavery?

3. He briefed me about his earlier work at the the Ministry of Defense.