防御性的英文：
defensive (weapons)

参考例句：

A defensive weapons system; defensive behavior.
防御性的武器系统;防卫行为

Temporary defensive preferential system
临时防御性特惠制

To camp in a defensive encirclement.
围成一圈，形成一个防御性营地

a long (usually sleeveless) tunic of chain mail formerly worn as defensive armor.
穿着作为防御性的盔甲的一种正式的长（通常没袖）锁子甲外衣。

Science becomes, in their hands, not only a defensive weapon, but still more frequently an offensive one
科学在他们的手里不仅仅是一件防御性武器，而更常常是一种进攻性武器。

A defensive encampment encircled by armored vehicles or wagons.
车阵由装甲车或是货车围成一圈而形成的防御性营地

A defensive barrier across a rampart or trench,as a bank of earth thrown up to protect against enfilade fire.
横墙城墙或壕沟的防御性阻挡物，如用于抵挡敌人纵向射击的用挖出的土构筑的土堆

defensive是什么意思：
adj. 防守的，防御的
n. 防守，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

weapons是什么意思：
n. 武器，兵器
v. 武装

They unarmed the weapons.
他们卸下了武器。

The replacement of conventional weapons By nuclear weapons
用核武器取代常规武器

The shooter bent weapons on her.
那射手对她动武了。

Satire is an intellectual weapon.
讽刺文学是一种智力武器。

You are cold, shivering, and without a weapon.
您浑身发冷、不住颤抖，而且没有武器。