brain-damaged是什么,

brain-damaged是什么, a firefighter named Tom was left brain damaged he is a brain damaged choo-choo train? brain damage和brain damaged这俩里面那个是对的 brain的形容词是什么 brain Brain Hearth Infusion 是什么培养基 韩国艺人brain他的发型是什么名字啊,想弄个 brain drains brain是什么意思? brain drain He has quite a small brain.这句话言外之意是什么?那位朋友帮翻译一下,