Servoprogramming
伺服程序设计
🗣️ 情景例句
Rules are meant to be followed, not broken.
规则制订出来是让人遵守，而不是让人破坏。
I played upstairs yesterday.
我昨天在楼上玩。
We'll stay here with you until help comes.
在有人来救援前，我们要留在这儿。