Retrosystem
制动系统
🗣️ 情景例句
and he really wants to go there.
他确实很想去那儿 。
It's a small world.
世界真小！
Fine, thanks. Oh, That's the bell. Everyone is going into class, we'd better go too.
很好，谢谢。啊，铃响了。大家都去上课。我们最好也去。