Oodb
面向对象数据库
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
If it doesn't rain tomorrow, will you do a favor for me?
如果明天不下雨的话，你会帮我忙吗？
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有许多人需要打电话到火车站、汽车公司或电影院，以便弄清火车、汽车的起始时间或电影放映的时间吧。