adj.有脆皮的；有硬壳的；顽固的；暴躁的
Crusty whole wheat bread is my favorite. 我最喜欢吃有脆皮全麦面包。
Little Tom swabbed up the gravy with crusty bread. 小汤姆用硬面包把肉汁抹得干干净净。
The snow was crusty with ice particles on the surface. 我转身沿路向下滑去，雪地的表面结了一层碎冰。
Millin was a crusty old codger who took the college job after he retired from the navy. 米林是一位脾气暴躁的老伙计，从海军退役后就在大学里找了这么个活儿。
