1. 门框：cast-steel case 铸钢机壳,铸钢蜗壳 | door case 门框 | full spiral case 完全形蜗壳
1. I knocked on the door in case Katerina was changing and said'It's Daddy, open up'.
2. door case的意思
2. In that case parents can leave the door ajar or turn on a small light.