Fortifications
大学 Collegen. 防御工事（fortification的复数）
🗣️ 情景例句
Malcolm, this is Joanne Thompson. Malcolm
这是Joanne Thompson。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
they must be sedulously tended, if the vivifying fruits are to be at hand when needed.
要想在需要的时候可随手摘取充满生机的果实，还需要勤勉地护理。