【英语2级听力】交通信号指示灯-Traffic Lights（在线收听）

She gets into her car. She puts on her seatbelt. She starts to drive. She drives at a good speed. It is not safe to drive too fast. It is also not safe to drive too slow. The traffic light is yellow. She slows down. The traffic light turns red. She stops completely. She waits. It turns greens. She drives.