wait state of process

例句：

1. 1. The bus is waiting at the stop.
   公共汽车在站点等。
2. 2. She waited patiently for her friend to arrive.
   她耐心地等待着朋友的到来。
3. 3. He waited for his turn to speak in class.
   他在课堂上轮到发言时等待。