justifiable by argument 可辩护的 a morally defensible penal system. 道义上可辩护的刑罚制度。
able to be protected 可防护的,可防卫的 a fort with a defensible yard at its feet. 在地面有防卫场的堡垒。
派生 defensibility noun defensibly adverb 语源
Middle English (used of a weapon, a fortified place, etc. in the sense 'capable of giving protective defence'): from late Latin defensibilis, from Latin defendere (see defend)