armor 是什么意思？

保护层, 外壳

the tough, protective outer layer of an animal, plant, or other organism

示例:• The turtle's shell provides natural armor.乌龟的壳提供了天然的保护层。• Some fish have bony plates that act as armor.有些鱼有骨板作为保护层。同义词:shellcarapaceexoskeletonhideskin