“弯道”的英语？

上了弯道以后，路越来越陡。The slope increases as you go up the curve.火车在弯道行驶时放慢了速度.The train slowed its speed as it went around the curve.火车沿弯道转弯.The train turned in a curve....

“弯道”的拼音为：wān dào...