Watch Tower:

This is one of your base defenses and can chew up infantry and light vehicles. Good idea to have one pre-built so it can be placed quickly in the event of a surprise attack.

瞭望塔：

你的基地防御之一，可以毁灭步兵和轻型车辆。由于可以在遭受偷袭的地点快速放置，因此是一个好方法去提前建造一个。