管道里有一个弯曲部分，所以你看不到从一端到另一端。

There's a ___bend in the pipe so you can't see from one end to the other.

路上有一个急转弯。

There's a sharp ___bend in the road.

另一辆车消失在了一个急转弯处，当我们绕过去时，我们看到那辆车停在了路中间。

The other car disappeared around a sharp ___bend and when we came around it, we saw that the car had stopped in the middle of the road.