求翻译：一天，小李和小华一起去公园。在公交车上，他们看见了一位老奶奶，小李连忙去扶她，并且小华让出了他自己的座位让老奶奶坐。是什么意思？

One day, Xiao Li and Xiao Hua to the Park. On the bus, they saw who experenced, Xiao Li hastened to steady her, make room for his own seat and small China let Granny sitting.