defenses

1.penetrable defenses; a penetrable wall.

突破的；洞穿的墙

2.The yari minisub's suicide ability is a very effective way to take out both base defenses and naval units.

迷潜艇的自杀能力是干掉基地和海军单位的非常有效方法。

3.Here's the abrogation of the Antiballistic Missile Treaty, and the American decision to place missile defenses in neighboring countries.

这是废除反弹道导弹，拿着；美国决定在邻国设置导弹，一下；