The fan keeps a continuous stream of fresh air flowing through the car.风扇使新鲜空气在车内不停地流动。Never leave valuables in your car.千万不要把贵重物品留在车内。All the welding had been done from inside the car.所有的焊接都在车内完成。The accident happened partly because we were having an argument in the car.事故的部分原因是我们在车内吵架。