naval base defence

• 海军基地防御

naval base defence的用法和样例：

例句

1. Beaux Lowlands base defenses updated.
   布杂低地地图基地防御设施修正。
2. The yari minisub's suicide ability is a very effective way to take out both base defenses and naval units.
   迷你潜艇的自杀能力是干掉基地防御和海军单位的非常有效方法。