Plan this with the placement of your anti-infantry defensivestructures to allow them time to knock off your opponents infantry.
放置反步兵防御建筑的时候要有计划，以便给他们时间消灭敌人的步兵。
2
Tower of Enlightenment - Defensive building. When built, any units (including crawlers) and structures (including nodes) within a certain area around the building turn under your control.