防御的英文：
defense

参考例句：

Tactical defensive
战术防御

Caro-Kann defense
卡罗-卡恩防御,卡罗康防御

to drop/keep up your guard
放弃/保持防御姿势

Put somebody on the defensive.
使某人处于防御地位。

We went over from the defensive to the offensive.
我们由防御转为进攻。

Produce a limited number of nuclear weapons for the purpose of self-defence
出于防御的目的生产有限的核武器

A weak barrier,defence,team
不结实的挡板、无力的防御、弱队

"English, Caro-Kann defensive system"
英吉利,卡罗-卡因防御式体系

penetrable defenses;a penetrable wall.
可突破的防御;可洞穿的墙

The aim of China in carrying out necessary and limited nuclear tests is entirety for self-defence.
中国进行必要且有限的核试验，完全是为了防御。

defense是什么意思：
n. 防御，防御工事；防御物；防御措施；辩护；（比赛中的）守方
v. 抵御，防御

(in a match) the defense
守方

The defenses of the city must be strengthened.
这个城市的防御工事必须加强。

He was the then secretary of Defense.
他是当时的国防部长。

Offense is the best defense.
进攻是最好的防御。

Attack is the best form of defense
攻击是最好的防御