The car came to a sudd halt in the middle of the road.

汽在马路当中了来。

The cart stopped suddenly, tipping its load off in the middle of the road.

马来, 上的货滑落到路中间。

The fence along the middle of the road is intended to guard vehicles from crashing into each other.

道路中央的防护栏是为防止汽相撞而设的。