defence
英 [d?'fens]
美
- n. 防御；防衛(wèi)；答辯；防衛(wèi)設(shè)備
詞組搭配
defence in depth
the practice of arranging defensive lines or fortifications so that they can defend each other, especially in case of an enemy incursion
縱深防御（尤指敵人侵犯時(shí)防御線或陣地可互相協(xié)防）