1.The breadcrumbs were charred and burnt, which is how they survived for so long.
char 烧焦
Toast hazelnuts on a baking sheet until the skins char.
在烤盘上烤榛子直到外皮烤焦 。
2.They were hunter gather and lived thousands of years before humans settled down to become farmers.
settle down 安定下来
I want to get boxing out of my system and settle down to enjoy family life.
我想结束拳击生涯,安定下来享受家庭生活 。