Corouting
[计] 共同路由选择
🗣️ 情景例句
These are lucky kids.
这是一群幸运的孩子。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
May I have your attention please?
请大家注意一下。